tainghe.com.vn

tainghe.com.vn is SSL secured

Free website and domain report on tainghe.com.vn

Last Updated: 2nd September, 2021 Update Now
Overview

Snoop Summary for tainghe.com.vn

This is a free and comprehensive report about tainghe.com.vn. The domain tainghe.com.vn is currently hosted on a server located in United States with the IP address 172.67.214.58, where USD is the local currency and the local language is English. Our records indicate that tainghe.com.vn is owned/operated by Cloudflare, Inc.. Tainghe.com.vn has the potential to be earning an estimated $6 USD per day from advertising revenue. If tainghe.com.vn was to be sold it would possibly be worth $4,550 USD (based on the daily revenue potential of the website over a 24 month period). Tainghe.com.vn receives an estimated 2,182 unique visitors every day - a large amount of traffic! This report was last updated 2nd September, 2021.

About tainghe.com.vn

Site Preview: tainghe.com.vn tainghe.com.vn
Title: Chuyên Bán Tai Nghe, Máy Nghe Nhạc Lossless, Loa Di Động Bluetooth
Description: Xuân Vũ Audio Chuyên Cung Cấp Và Phân Phối Tai Nghe, Máy Nghe Nhạc LossLess, Loa Di Động Bluetooth, AMP DAC Chính Hãng ở Tại Hà Nội, Hồ Chí Minh
Keywords and Tags: bán tai nghe headphones chính hãng ở tại hà nội, hồ chí minh, loa di động bluetooth, máy nghe nhạc lossless, online shopping, sửa chữa tai nghe
Related Terms: bluetooth devices, bose bluetooth speaker, c dac, hc 05 bluetooth module, lossless ost, nghe nhac online, nhac xuan, tai chi in salisbury, thanh nhac, xuan
Fav Icon:
Age:
Domain Created:
Domain Updated:
Domain Expires:
Review

Snoop Score

2/5

Valuation

$4,550 USD
Note: All valuation figures are estimates.

Popularity

Modest
Note: Popularity is estimated.

Rank, Reach and Authority

Alexa Rank: 239,043
Alexa Reach:
SEMrush Rank (US):
SEMrush Authority Score:
Moz Domain Authority: 0
Moz Page Authority: 0

Organic vs Paid (Google Ads)

Traffic

Visitors

Daily Visitors: 2,182
Monthly Visitors: 66,413
Yearly Visitors: 796,430
Note: All visitors figures are estimates.

Visitors By Country

Revenue

Revenue

Daily Revenue: $6 USD
Monthly Revenue: $189 USD
Yearly Revenue: $2,270 USD
Note: All revenue figures are estimates.

Revenue By Country

SEO

Backlinks Analysis (SEMrush)

Top New Follow Links

Top Ranking Keywords (US)

Domain Analysis

Value Length
Domain: tainghe.com.vn 14
Domain Name: tainghe 7
Extension (TLD): comvn 5

Page Speed Analysis

Average Load Time: 1.03 seconds
Load Time Comparison: Faster than 77% of sites

PageSpeed Insights

Avg. (All Categories) 57
Performance 70
Accessibility 65
Best Practices 60
SEO 73
Progressive Web App 18
0–49 (Fail) 50–89 (Average) 90–100 (Pass)
URL: https://tainghe.com.vn/
Updated: 2nd September, 2021

1.13 seconds
First Contentful Paint (FCP)
89%
7%
4%

0.00 seconds
First Input Delay (FID)
96%
3%
1%

Simulate loading on desktop
70

Performance

Indicates how well the page is performing and highlights opportunities where performance may be improved for tainghe.com.vn. This includes details about optimizing page load times which can result in a better user experience.

Metrics

First Contentful Paint — 0.8 s
The time taken for the first image or text on the page to be rendered.
Total Blocking Time — 40 ms
The total blocking time is the sum of all time periods between First Contentful Paint and Time to Interactive (when task length exceeded 50ms).
Cumulative Layout Shift — 0.039
Cumulative Layout Shift is the measurement of visible elements collective movement within the viewport.
View Data

Other

Max Potential First Input Delay — 110 ms
Users could experience a delay when interacting with the page.
First Meaningful Paint — 0.8 s
The time taken for the primary content of the page to be rendered.
Network Requests
Below is a list of network requests that were made during page load.
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8221.2789999321
33783
32892
200
image/png
Image
https://tainghe.com.vn/media/product/250_3380_2571_jpg.jpg
h2
7646.4729998261
8807.2889999021
7584
6699
200
image/jpeg
Image
https://tainghe.com.vn/media/product/250_2546_2020_6359765_sd.jpg
h2
7646.6269998346
8791.5169999469
8180
7293
200
image/jpeg
Image
https://tainghe.com.vn/media/product/250_2493_sabbat_e12_camo_orange_5.png
h2
7646.9179999549
9031.9469999522
22777
21890
200
image/png
Image
https://tainghe.com.vn/media/product/250_1688-01.jpg
h2
7711.9849999435
7741.3659999147
8153
7258
200
image/jpeg
Image
https://tainghe.com.vn/media/product/250_3205_1_c8530253_8b43_4bf1_aee2_e5430699bfa7_1500x_gigapixel.jpg
h2
7712.4779999722
8892.3049999867
10972
10088
200
image/jpeg
Image
https://tainghe.com.vn/media/product/250_2531_xuanvu_shanling_m6.jpg
h2
7713.2109999657
8833.2489999011
11620
10724
200
image/jpeg
Image
https://tainghe.com.vn/media/product/250_3326_r5s_1_1500x.jpg
h2
7713.431000011
8885.9029999003
8707
7818
200
image/jpeg
Image
https://tainghe.com.vn/media/product/250_3009_untitled.png
h2
7713.7829998974
9395.6769998185
44611
43718
200
image/png
Image
https://tainghe.com.vn/media/product/250_2474_727eb8deb1db4c8515ca.jpg
h2
7714.1909999773
8907.1090000216
7995
7100
200
image/jpeg
Image
https://tainghe.com.vn/media/product/250_2496_xuanvu_ibasso_dx160_1.jpg
h2
7715.962999966
8906.7059999797
12653
11767
200
image/jpeg
Image
https://tainghe.com.vn/media/news/1073_20210708_153111_1024x1024_banner.jpg
h2
7720.5089998897
8915.0359998457
162805
161904
200
image/jpeg
Image
https://tainghe.com.vn/media/news/1072_campfire_audio_mammoth_banner.jpg
h2
7722.2169998568
9727.8809999116
107735
106849
200
image/jpeg
Image
https://tainghe.com.vn/media/news/1071_shanling_up5_vs_fiio_btr5.jpg
h2
7722.3839999642
9906.192000024
389907
389019
200
image/jpeg
Image
https://tainghe.com.vn/media/news/1070_sednaearfit_crystal.jpg
h2
7722.5209998433
10151.583999861
251906
251020
200
image/jpeg
Image
https://tainghe.com.vn/media/news/1069_e58ffdfdfdfdfdfdfdfdfdfdfdf0c.jpg
h2
7722.689999966
8019.3509999663
191267
190362
200
image/jpeg
Image
https://tainghe.com.vn/media/news/1067_legacy_2.png
h2
7722.8279998526
8903.7889998872
1735806
1734906
200
image/png
Image
https://pagead2.googlesyndication.com/getconfig/sodar?sv=200&tid=gda&tv=r20210831&st=env
h2
10290.805999888
10301.900999853
8902
10784
200
application/json
XHR
https://tpc.googlesyndication.com/sodar/sodar2.js
h2
10305.322999833
10311.483999947
7012
17713
200
text/javascript
Script
https://tpc.googlesyndication.com/sodar/sodar2/224/runner.html
h2
10322.761999909
10329.266999848
5648
12789
200
text/html
Document
https://www.google.com/recaptcha/api2/aframe
h2
10325.196999824
10336.53900004
1235
783
200
text/html
Document
https://pagead2.googlesyndication.com/pagead/sodar?id=sodar2&v=224&li=gda_r20210831&jk=4006014246469727&rc=
h2
10360.711999936
10368.75299993
543
0
204
text/html
Image
https://pagead2.googlesyndication.com/bg/6gKGIMOXYYAaEt2loOPE_y5Y_PepjaUwyzoGEOWjQQI.js
h2
10365.206999937
10369.222000008
13940
35324
200
text/javascript
Script
https://pagead2.googlesyndication.com/pagead/sodar?id=sodar2&v=224&t=2&li=gda_r20210831&jk=4006014246469727&bg=!LC-lL2vNAAZOkH6FTpA7ACkAdvg8WsvSeAaD-O9Y2cYZfVLVECNI1_Za875T3J8jCbud4N-CjfWLkgIAAAD_UgAAABhoAQcKASd3BwjtNJcdkfkMj-vPUlXpnm-PykWth5-qSXqIcVycGHVbEJtrwxjl5WUsMknK9HXBtpFMOxmseTtzyU_BpWJ5ATb4vjDG3by0HkjrU5MBRlgCEdEzKHRKRHI3Ob6FCV7Gu4NmUmXvEarIjcu2QTCnM6qXSGd6N6Tk7uKxwetEdXOOUiw2LjtimkLxarL2gcqMGDs2RoaHGEWw5J8M5zwCkaGT-JGKLKnHpd2XYDfp4t_IsEqKh9x7PD4dtswIDjOwdtFTC_5aKMpwwnjH7RKNzzlZbRLYCk2Zs2w-S2K3pdp4jgmNXVBRPdmInmSV4abgBUEzkX1ndZxW25a-Ip2Iowp-DX2NeIB2pfkfSUVaKYaQBbrZbIb1D4Z1qj7ANYb1NkGuZkwsmQJwfP5BbKN0NcmT4tlx-iSq9OYb9TDcRy3R0kCHx50fQ3-cDKbIWiEOfX5XVP8tuiBoDU2XCOg6PVsa6gL4c9-87vgdJvAUyv0vIN6p627pfhwgIlKgfr7LF5FN8W-h0ybpeYt2IUvm1atP8MowH95tERhIejczVmOlSmXAkKdU5EwhYKirCbZ2YspmH4wmp4THOOKVTHUlCa1ELORD1QW3bvqsjmzEp88d5z1Ox0Iru6alY2sehbyPG8PkLn3XVw9YhqDA-mvJhHNxyJ6Y8fS6ZBWXHm5jKE2e2XY70U7XIiaUAbiVBDC5qrRll2ddegdG3K38uNe2bS4MRTVjJfXDvQN5KncY8WcUC1ikSkdxYuOaNIZz_iyeocQAoFqsVMbQLpVNWF6pp382gzDcQb9Ng8gk4UV0cz182hmuuDZYqEmC8O5o-8qcwvLZDgcwfQvxFd7d01QYAQYMgEILX6JBE7xfXDctB3PaqkikG1Jn1vOcfEdpx0mnkR7GRC03bn0U8bcv233bGvIJQzSgUd-wHfjQepkFL4vA9vEa3_sMMSZTjZd8jFO82Hc6no-Rglh6BxUEYJQ2Krft3FiTIzBjMUByAkrRzJGJLi5WPRS937lvfFQ9RD7XGVHTqZsVws1VuOWsK0ArLbbjWZvcU2PHPPGEYKpFfXgcWiaVm9vk3M4EEVxASmJMwX_9Lys0j6vg6FAZpEwsCIzTse0wIqZHZlEXXExp4X-9n4yDH4wNyBMRJfKIuL7SGtexKZ8XL4tqGpDzEAIrEalQpXxyNdeVEtZRhN_AGEB5Hbq3NthzJwVrpdTz5pru5Q2a8uq2PET-
h2
10684.206999838
10706.560999854
543
0
204
text/html
Image
Network Round Trip Times — 0 ms
High Network RTT (Round Trip Times) can have a large impact on performance. Providing servers geographically closer to the user could improve performance.
Server Backend Latencies — 0 ms
High server latencies indicate the server is overloaded or has a poor backend performance.
Tasks
Below is a list of the top-level main thread tasks that executed during page load.
Start Time (Ms) End Time (Ms)
3366.053
20.077
3390.909
11.283
3420.338
37.986
3467.601
7.935
3475.56
8.087
3484.045
10.173
4565.147
22.472
4892.529
32.763
4925.307
16.03
4950.786
14.482
4972.056
27.633
4999.763
7.248
5020.987
18.661
5039.902
6.135
5046.074
6.53
5052.615
14.955
5069.668
62.212
5144.907
8.212
5158.493
8.1
5166.64
7.68
5177.316
7.822
5185.203
11.507
5196.782
7.208
5204.008
8.648
5212.691
19.949
5240.619
32.929
6388.742
11.386
6418.018
8.605
6433.855
6.22
6453.081
10.376
6463.661
222.318
6686.033
11.148
6714.502
13.26
6733.267
14.047
6752.836
17.559
6771.912
9.523
6812.579
8.555
6844.049
9.523
6853.687
13.368
6882.969
30.507
7412.287
5.116
7597.232
8.285
7606.284
14.092
7621.693
6.378
7645.686
7.601
7656.337
15.045
7678.331
7.829
7713.15
6.882
7725.185
17.636
7771.547
5.424
8026.788
5.224
8228.817
5.226
8342.131
5.15
8368.389
5.256
8762.916
5.338
8779.553
5.576
8813.123
5.423
8829.734
5.359
8846.3
6.127
8896.303
5.221
8929.547
6.097
9012.361
5.777
9039.611
5.411
9389.853
5.235
9412.914
5.3
9735.55
5.375
10288.888
10.129
10319.228
11.376
10338.315
8.16
10347.498
8.074
10376.957
22.209
10400.798
11.627
10413.779
11.612
10429.015
15.018
10444.098
11.6
10455.753
11.568
10471.102
14.167
10486.353
7.784
10501.542
13.704
10519.264
6.748
10526.071
11.625
10541.522
11.969
10557.502
16.076
10579.039
11.772
10591.827
13.547
10606.7
15.658
10623.257
15.18
10639.461
9.844
10663.704
11.223
10684.312
5.796
11492.617
9.73
Diagnostics
Below is a collection of useful page vitals.
View Data
Metrics
Below is a collection of metrics.
View Data
Script Treemap Data
Provide as required, for treemap app.

Opportunities

Eliminate render-blocking resources — Potential savings of 60 ms
Resources, such as JavaScript and style sheets, can block the first paint of the page. Tainghe.com.vn should consider delivering critical JavaScript/style sheets (JS/CSS) inline and deferring all non-critical JS/CSS.
URL Transfer Size (Bytes) Potential Savings (Ms)
https://tainghe.com.vn/template/default/script/jquery.js
32684
120
Minify CSS
Cascading Style Sheets (CSS) files can contribute to network payload sizes. Tainghe.com.vn should consider minifying CSS files.
Minify JavaScript — Potential savings of 3 KiB
JavaScript (JS) files can contribute to network payload sizes and increase script parse times. Tainghe.com.vn should consider minifying JS files.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://tainghe.com.vn/includes/js/common.js?2
8222
2817
Reduce unused CSS — Potential savings of 12 KiB
Dead and/or unused rules in Style Sheets (CSS) can contribute to network payload sizes. Tainghe.com.vn should consider removing dead rules from style sheets and deferring the loading of CSS not used for above-the-fold content.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://tainghe.com.vn/template/default/script/style.css?v=1.6.2021.4
15605
11782
Enable text compression
Text-based resources should be served with compression, such as gzip, deflate or brotli.
Preconnect to required origins
Resource hints, such as 'preconnect' or 'dns-prefetch', may assist in establishing early connections to important third-party origins.
Avoid multiple page redirects — Potential savings of 190 ms
Redirects can cause additional delays before the page can begin loading. Tainghe.com.vn should avoid multiple or unnecessary page redirects.
URL Time Spent (Ms)
http://tainghe.com.vn/
190
https://tainghe.com.vn/
0
Preload key requests
Key requests can be preloaded by using '<link rel=preload>'. Tainghe.com.vn should consider using '<link rel=preload>' to prioritize fetching resources that are currently requested later in page load.
Use video formats for animated content
Large GIFs are inefficient for delivering animated content. It is recommended to use MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF.
Remove duplicate modules in JavaScript bundles
Ensure that no duplicate JavaScript modules from bundles exist to reduce bytes consumed by network activity.
Avoid serving legacy JavaScript to modern browsers — Potential savings of 21 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. For bundled JavaScript it is recommended to adopt a modern script deployment strategy using module/nomodule feature detection. This will reduce the amount of code shipped to modern browsers.
URL Potential Savings (Bytes)
https://connect.facebook.net/signals/config/1115630701877072?v=2.9.45&r=stable
11853
https://tainghe.com.vn/javascript/dist/hurastore.js?6
9259
https://use.fontawesome.com/releases/v5.2.0/js/all.js
59
https://connect.facebook.net/en_US/fbevents.js
45
Preload Largest Contentful Paint image
It is recommended to preload images used by LCP elements, to improve LCP time.

Diagnostics

Avoid chaining critical requests — 16 chains found
Below is a list of Critical Request Chains, which shows which resources are loaded with a high priority. Tainghe.com.vn should consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
User Timing marks and measures
Make use of the User Timing API to measure an app's real-world performance during key user experiences.
JavaScript execution time — 0.6 s
JavaScript (JS) execution time can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
URL Total CPU Time (Ms) Script Evaluation (Ms) Script Parse (Ms)
https://tainghe.com.vn/
474.38000000001
25.355
8.81
https://tpc.googlesyndication.com/sodar/sodar2/224/runner.html
240.921
225.701
3.71
Unattributable
237.543
3.794
0.171
https://tainghe.com.vn/template/default/script/jquery.js
204.916
122.661
5.002
https://www.googletagservices.com/activeview/js/current/osd.js
151.776
126.47
3.219
https://pagead2.googlesyndication.com/pagead/managed/js/adsense/m202108310101/show_ads_impl_fy2019.js
69.982
58.929
7.348
https://connect.facebook.net/vi_VN/sdk.js?hash=f710bb2c4183114dcd6366aff40d87b7
54.927
36.452
9.199
Minimizes main-thread work — 1.9 s
Main-thread work timing can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
Category Time Spent (Ms)
Script Evaluation
920.00899999999
Other
369.772
Rendering
215.01300000001
Style & Layout
170.513
Script Parsing & Compilation
111.699
Parse HTML & CSS
56.419
Garbage Collection
32.971
Keep request counts low and transfer sizes small — 180 requests • 7,401 KiB
It is advised to add a budgets.json file in order to set budgets for the quantity and size of page resources.
Resource Type Requests Transfer Size (Bytes)
Total
180
7578690
Image
122
6236725
Script
33
1158161
Document
6
71943
Font
6
48926
Other
11
45904
Stylesheet
2
17031
Media
0
0
Third-party
50
1175028
Minimize third-party usage — Third-party code blocked the main thread for 0 ms
It is advised to either limit, remove or delay the loading of redundant third-party code which may be significantly impacting load performance.
Third-Party Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
333593
0
271392
0
256795
0
233258
0
50352
0
21039
0
5138
0
3461
0
Lazy load third-party resources with facades
Consider replacing third-party embeds with a facade until they are required (use lazy loading).
Largest Contentful Paint element — 1 element found
The element which was identified as the Largest Contentful Paint.
Element
Avoid large layout shifts — 4 elements found
Below is a list of all DOM elements that contribute to the CLS of the page.
Element CLS Contribution
0.025417739252255
0.0075671132125033
0.0053233544567026
[x]
0.00049642704958702
Avoid long main-thread tasks — 2 long tasks found
Below is a list of the longest tasks on the main thread, which is useful when identifying the worst input delay contributors.
URL Start Time (Ms) Duration (Ms)
https://tainghe.com.vn/javascript/dist/hurastore.js?6
3111
111
https://pagead2.googlesyndication.com/pagead/managed/js/adsense/m202108310101/show_ads_impl_fy2019.js
1479
62
Avoid non-composited animations
It is recommended to avoid non-composited animations which are often janky and increase CLS.

Budgets

Performance budget
It is advised to keep the quantity and size of all network requests under the targets set by the provided performance budget.
Timing budget
It is advised to set a timing budget to monitor the performance of your site.

Metrics

Time to Interactive — 2.7 s
The time taken for the page to become fully interactive.

Opportunities

Defer offscreen images — Potential savings of 228 KiB
Time to Interactive can be slowed down by resources on the page. Tainghe.com.vn should consider lazy-loading offscreen and hidden images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://tainghe.com.vn/media/banner/20_Jul7be5d79c0876c7323d7731aac6b141ac.png
190099
190099
https://tainghe.com.vn/template/default/images/sprite.png?v=2.2
39530
39530
https://images.dmca.com/Badges/dmca_protected_16_120.png?ID=8e1c5c1c-15bb-41f9-b1d6-d984ff040207
3914
3914
Reduce unused JavaScript — Potential savings of 369 KiB
It is advised to remove unused JavaScript in order to reduce bytes consumed by network activity.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://connect.facebook.net/signals/config/1115630701877072?v=2.9.45&r=stable
90535
71402
https://pagead2.googlesyndication.com/pagead/managed/js/adsense/m202108310101/show_ads_impl_fy2019.js
95992
59460
https://connect.facebook.net/vi_VN/sdk.js?hash=f710bb2c4183114dcd6366aff40d87b7
69431
42877
https://www.googletagmanager.com/gtag/js?id=AW-865031147&l=dataLayer&cx=c
40152
32166
https://tainghe.com.vn/javascript/dist/hurastore.js?6
39393
28469
https://www.googletagmanager.com/gtm.js?id=GTM-5GNDHPW
34798
26659
https://pagead2.googlesyndication.com/pagead/js/adsbygoogle.js?client=ca-pub-3920929254257670
50364
25698
https://www.googletagmanager.com/gtm.js?id=GTM-KZFTWVP
34796
25082
https://www.googletagmanager.com/gtag/js?id=UA-86334960-1
41988
22244
https://www.googletagmanager.com/gtm.js?id=GTM-PNNBLPS
39055
21756
https://www.googletagmanager.com/gtm.js?id=GTM-TMD6K7D
38470
21710
Efficiently encode images — Potential savings of 449 KiB
Unoptimized images can consume more cellular data than what is necessary.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://tainghe.com.vn/media/news/1006_166964635_932963357463628_5467304385445435593_n.jpg
292011
191613
https://tainghe.com.vn/media/banner/08_Julb39908d9b051dec5728f02501357224e.jpg
214223
121700
https://tainghe.com.vn/media/product/250_1855-xuanvu-audio-may-nghe-nhac-hiby-r3.jpg
47688
37096
https://tainghe.com.vn/media/lib/pdp.jpg
44152
31484
https://tainghe.com.vn/media/news/1070_sednaearfit_crystal.jpg
251020
27908
https://tainghe.com.vn/media/lib/add5.jpg
40585
24409
https://tainghe.com.vn/media/news/1071_shanling_up5_vs_fiio_btr5.jpg
389019
19826
https://tainghe.com.vn/template/default/images/3753_8332_khaitrng.jpg
178349
5586

Metrics

Speed Index — 5.1 s
The time taken for the page contents to be visibly populated.
Largest Contentful Paint — 3.3 s
The timing of the largest text or image that is painted.

Opportunities

Properly size images — Potential savings of 4,102 KiB
Images can slow down the page's load time. Tainghe.com.vn should consider serving more appropriate-sized images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://tainghe.com.vn/media/news/1067_legacy_2.png
1734906
1700970
https://tainghe.com.vn/media/banner/17_Jul5be41ccebfeefb5f59b6896f170a699f.png
693079
419992
https://tainghe.com.vn/media/news/1071_shanling_up5_vs_fiio_btr5.jpg
389019
382902
https://tainghe.com.vn/media/news/1006_166964635_932963357463628_5467304385445435593_n.jpg
292011
278522
https://tainghe.com.vn/media/news/1070_sednaearfit_crystal.jpg
251020
247065
https://tainghe.com.vn/media/news/1069_e58ffdfdfdfdfdfdfdfdfdfdfdf0c.jpg
190362
186043
https://tainghe.com.vn/template/default/images/3753_8332_khaitrng.jpg
178349
173891
https://tainghe.com.vn/media/news/1073_20210708_153111_1024x1024_banner.jpg
161904
155186
https://tainghe.com.vn/media/banner/17_May7151184986aed9f8f418938930271d37.jpg
156044
138742
https://tainghe.com.vn/media/news/1072_campfire_audio_mammoth_banner.jpg
106849
101729
https://tainghe.com.vn/media/banner/17_May794cdb9c73f8c687c66ee249c67e263a.jpg
102437
76881
https://tainghe.com.vn/media/lib/pdp.jpg
44152
33114
https://tainghe.com.vn/media/lib/add5.jpg
40585
30439
https://tainghe.com.vn/media/banner/08_Julb39908d9b051dec5728f02501357224e.jpg
214223
26440
https://tainghe.com.vn/media/product/250_2755_15743011724697.png
45244
21790
https://tainghe.com.vn/media/product/250_3009_untitled.png
43718
21055
https://tainghe.com.vn/media/banner/popup_rounded-in-photoretrica%20(1).png
104612
19817
https://tainghe.com.vn/media/banner/banner_1679091c.jpg
19776
19470
https://tainghe.com.vn/media/product/250_2758_top01.png
38933
18750
https://tainghe.com.vn/media/product/250_3749_capture.PNG
38007
17371
https://tainghe.com.vn/media/product/250_3748_campfire_audio_satsuma_balanced_armature_earphones_1800x1800.png
29713
14310
https://tainghe.com.vn/media/product/250_2757_15732671342011.png
26246
12640
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781
Avoid an excessive DOM size — 1,549 elements
A large DOM (Document Object Model) will increase memory usage, cause longer system calculations as well as costly layout reflows.
Statistic Element Value
Total DOM Elements
1549
Maximum DOM Depth
14
Maximum Child Elements
34
Ensure text remains visible during webfont load
Make use of the font-display CSS feature, which will ensure text is user-visible while webfonts are loading.
URL Potential Savings (Ms)
https://fonts.gstatic.com/s/roboto/v27/KFOlCnqEu92Fr1MmWUlfBBc4AMP6lQ.woff2
4.0039999876171
https://fonts.gstatic.com/s/roboto/v27/KFOlCnqEu92Fr1MmWUlfChc4AMP6lbBP.woff2
3.2939999364316
https://fonts.gstatic.com/s/roboto/v27/KFOmCnqEu92Fr1Mu4mxKKTU1Kg.woff2
3.1079999171197
https://fonts.gstatic.com/s/roboto/v27/KFOmCnqEu92Fr1Mu7GxKKTU1Kvnz.woff2
2.7040001004934
https://fonts.gstatic.com/s/roboto/v27/KFOlCnqEu92Fr1MmWUlfCxc4AMP6lbBP.woff2
2.6620000135154
https://fonts.gstatic.com/s/roboto/v27/KFOmCnqEu92Fr1Mu7WxKKTU1Kvnz.woff2
4.5280000194907
Does not use passive listeners to improve scrolling performance
Improve the page's scroll performance by marking touch and wheel event listeners as 'passive'.
Source
Avoid `document.write()`
Avoid or limit the use of external scripts that are dynamically injected via 'document.write()' as users on slow connections will be delayed by tens of seconds.
Source
Image elements do not have explicit `width` and `height`
Reduce layout shifts and improve CLS by setting explicit width and height properties on image elements.
URL Failing Elements
https://tainghe.com.vn/media/news/1006_166964635_932963357463628_5467304385445435593_n.jpg
https://tainghe.com.vn/template/default/images/3753_8332_khaitrng.jpg
https://tainghe.com.vn/media/banner/popup_rounded-in-photoretrica%20(1).png
https://tainghe.com.vn/media/product/250_3264_1.jpg
https://tainghe.com.vn/media/product/250_3650_m_.jpg
https://tainghe.com.vn/media/product/250_2982_andromeda_2020_01_webpage_image_1400x1400.jpg
https://tainghe.com.vn/media/product/250_3380_2571_jpg.jpg
https://tainghe.com.vn/media/product/250_2489_tai_nghe_true_wireless_jbl_tune120tws_29.jpg
https://tainghe.com.vn/media/product/250_3363_wechatimg242_1024x1024.jpg
https://tainghe.com.vn/media/product/250_3762_holocene_main_3.jpg
https://tainghe.com.vn/media/product/250_3763_mammoth_1_with_shadow.jpg
https://tainghe.com.vn/media/product/250_3748_campfire_audio_satsuma_balanced_armature_earphones_1800x1800.png
https://tainghe.com.vn/media/product/250_3132_amp_topping_l30_black_songlongmedia1.jpg
https://tainghe.com.vn/media/product/250_3788_d10b_02_1024x1024.jpg
https://tainghe.com.vn/media/product/250_3769_thieaudio__l2_1_1000x1000_1024x1024.jpg
https://tainghe.com.vn/media/product/250_2983_solaris_2020_01_ws.jpg
https://tainghe.com.vn/media/product/250_3270_dorado_2020_web_1.jpg
https://tainghe.com.vn/media/product/250_3417_3.jpg
https://tainghe.com.vn/media/product/250_2546_2020_6359765_sd.jpg
https://tainghe.com.vn/media/product/250_1688-01.jpg
https://tainghe.com.vn/media/product/250_2547_r3_pro.jpg
https://tainghe.com.vn/media/product/250_3205_1_c8530253_8b43_4bf1_aee2_e5430699bfa7_1500x_gigapixel.jpg
https://tainghe.com.vn/media/product/250_2531_xuanvu_shanling_m6.jpg
https://tainghe.com.vn/media/product/250_3326_r5s_1_1500x.jpg
https://tainghe.com.vn/media/product/250_3009_untitled.png
https://tainghe.com.vn/media/product/250_2496_xuanvu_ibasso_dx160_1.jpg
https://tainghe.com.vn/media/product/250_2755_15743011724697.png
https://tainghe.com.vn/media/product/250_2757_15732671342011.png
https://tainghe.com.vn/media/product/250_2758_top01.png
https://tainghe.com.vn/media/product/250_2968_1.jpg
https://tainghe.com.vn/media/product/250_2219_ue_boom_3.jpg
https://tainghe.com.vn/media/product/250_2993_kraken_ii_white_1_800.jpg
https://tainghe.com.vn/media/product/250_3363_wechatimg242_1024x1024.jpg
https://tainghe.com.vn/media/product/250_2235_griffin_4x_web_white.jpg
https://tainghe.com.vn/media/product/250_2994_chimera_ii_2_800.jpg
https://tainghe.com.vn/media/product/250_2290_gr_gdfbgdsfgdsh_dsgdfshdsfgdfsgdfh_dfhds_gdgd.jpg
https://tainghe.com.vn/media/product/250_3749_capture.PNG
https://tainghe.com.vn/media/product/250_3704_p_53659_jbl_live_pro_tws.jpeg
https://tainghe.com.vn/media/product/250_2675_71t_irwn3tl__ac_sl1500_.jpg
https://tainghe.com.vn/media/product/250_3851_beats_studio_buds_black__1.jpg
https://tainghe.com.vn/media/product/250_2895_715kqyhte8l__ac_sl1500_.jpg
https://tainghe.com.vn/media/product/250_3458_1.jpg
https://tainghe.com.vn/media/product/250_2216_fdsdfbadfvadsfc.jpg
https://tainghe.com.vn/media/product/250_2043_tai_nghe_jbl_e65btnc__1_.jpg
https://tainghe.com.vn/media/product/250_2493_sabbat_e12_camo_orange_5.png
https://tainghe.com.vn/media/product/250_2161_jbl_charge_4_black_1.jpg
https://tainghe.com.vn/media/product/250_3019_moondrop_ssr_green.png
https://tainghe.com.vn/media/product/250_2942_h569b47ef5fb9497c98204e6c964bfc7cm.png
https://tainghe.com.vn/media/product/250_3786_kz_sk10_img_01_1.jpg
https://tainghe.com.vn/media/product/250_2474_727eb8deb1db4c8515ca.jpg
https://tainghe.com.vn/media/product/250_3847_shanling_ua1_pro_silver___1.jpg
https://tainghe.com.vn/media/product/250_3836_e7zifh_xoaozor_.jpg
https://tainghe.com.vn/media/product/250_2670_capture.PNG
https://tainghe.com.vn/media/product/250_2795_tribit_stormbox_primary_100838534_large.jpg
https://tainghe.com.vn/media/product/250_2997_medusa_ii_white_o_2_800.jpg
https://tainghe.com.vn/media/product/250_3051_zoom_01__1_.jpg
https://tainghe.com.vn/media/product/250_2800_51bl0esonql__ac_sl1200_.jpg
https://tainghe.com.vn/media/lib/add5.jpg
https://tainghe.com.vn/media/lib/pdp.jpg
https://tainghe.com.vn/media/product/250_3725_up5.png
https://tainghe.com.vn/media/lib/add2.jpg
https://tainghe.com.vn/media/banner/logo_logo_logo.png
https://tainghe.com.vn/media/news/120_990_11225498.jpg
https://tainghe.com.vn/media/news/120_992_sydney_skyline_facebook_ad__1_.jpg
https://tainghe.com.vn/template/default/images/ck_ft.png
https://tainghe.com.vn/media/banner/banner_3416a75f.png
https://images.dmca.com/Badges/dmca_protected_16_120.png?ID=8e1c5c1c-15bb-41f9-b1d6-d984ff040207
https://tainghe.com.vn/template/default/images/mastercard.png
https://tainghe.com.vn/template/default/images/visa.png
https://tainghe.com.vn/template/default/images/tienmat.png
https://tainghe.com.vn/template/default/images/icon_insta.png
https://tainghe.com.vn/template/default/images/no_img.png
https://tainghe.com.vn/template/default/images/no_img.png
https://tainghe.com.vn/template/default/images/no_img.png
https://tainghe.com.vn/template/default/images/icon-flame-2020.png
https://tainghe.com.vn/media/category/cb_4d485476e07e02638e8e2133cdf8f56d.png
https://tainghe.com.vn/media/category/cb_a8aafc2b7d451a37409bddc7ee8a18e9.png
https://tainghe.com.vn/media/category/cb_a8aafc2b7d451a37409bddc7ee8a18e9.png
https://tainghe.com.vn/media/category/cb_34ead602847eccffd2bc5af611a422d2.png
https://tainghe.com.vn/media/category/cb_f6c8dd5cf8f95e19e99ef874e3edc242.png
https://tainghe.com.vn/media/category/cb_a22746738a475a75211f96a98549a811.png
https://tainghe.com.vn/media/category/cb_d3306ab36c10519e174cd70561740e69.png
65

Accessibility

Indicates how accessible the page is and highlights opportunities where the page can be made more accessible to users of tainghe.com.vn. This includes details about various page attributes that can be optimized.

Navigation

`[accesskey]` values are unique
Access keys assist users with focusing on different parts of the page. Each access key should be unique for proper navigation.
The page contains a heading, skip link, or landmark region
It is advised to provide ways to bypass repetitive content, allowing users to navigate the page efficiently.
`[id]` attributes on active, focusable elements are unique
Ensure all focusable elements have a unique id value to allow them to be visible to users of assistive technologies, like a screen reader.
Heading elements appear in a sequentially-descending order
Properly order all headers and do not skip heading levels to better the navigation and readability for users of assistive technologies, like a screen reader.
No element has a `[tabindex]` value greater than 0
Although technically valid, a tabindex value greater than 0 often creates frustrating experiences for users who rely on assistive technologies.

ARIA

`[aria-*]` attributes match their roles
Avoid mismatching 'aria-*' attributes and their 'role' value, as it invalidates the attribute.
`button`, `link`, and `menuitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-hidden="true"]` is not present on the document `<body>`
If aria-hidden=true is set on the document body, assistive technologies, like a screen reader will work inconsistently.
`[aria-hidden="true"]` elements do not contain focusable descendents
Interactive elements within an aria-hidden=true element are unavailable to users of assistive technologies, like a screen reader.
ARIA input fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when an input field does not have an accessible name specified.
ARIA `meter` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `progressbar` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[role]`s have all required `[aria-*]` attributes
Some ARIA roles have required 'aria-*' attributes, which provide essential information about state and functionality.
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Some ARIA parent roles cannot perform their intended functions if specific child roles are not used.
`[role]`s are contained by their required parent element
Some ARIA child roles cannot perform their intended functions if specific parent roles are not used.
`[role]` values are valid
All ARIA roles require valid values to perform their intended functions.
ARIA toggle fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when a toggle field does not have an accessible name specified.
ARIA `tooltip` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `treeitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-*]` attributes have valid values
ARIA attributes cannot be interpreted with invalid values when used by screen readers and other assistive technologies.
`[aria-*]` attributes are valid and not misspelled
ARIA attributes cannot be interpreted with invalid names when used by screen readers and other assistive technologies.
ARIA IDs are unique
Ensure all ARIA ID values are unique to prevent elements from being overlooked by assistive technologies, like a screen reader.

Names and labels

Buttons have an accessible name
Buttons become unusable as they are announced simply as "button" when the button does not have an accessible name, when used by screen readers and other assistive technologies.
Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
No form fields have multiple labels
Having multiple labels for form fields can be confusing to assistive technologies, like a screen reader.
`<frame>` or `<iframe>` elements have a title
Screen reader users and other assistive technology users rely on frame titles to describe the contents of frames.
`<input type="image">` elements have `[alt]` text
Input buttons with alternative text assist screen readers and other assistive technology users to understand its purpose.
Form elements have associated labels
Screen readers and other assistive technologies rely on labels to properly announce form controls.
`<object>` elements have `[alt]` text
It is advised that alt text is used on '<object>' elements in order to provide meaning to screen reader and other assistive technology users, as these technologies are unable to translate non-text content.

Tables and lists

`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Screen readers and other assistive technologies may produce poor and inaccurate output when definition lists are not properly marked up.
Definition list items are wrapped in `<dl>` elements
In order for screen readers and other assistive technologies to properly announce definition list items ('<dt>' and '<dd>'), they must be wrapped in parent a '<dl>' element.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that '<td>' cells using the headers attribute only refer to other cells in the same table, to improve screen reader user experience.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that table headers refer to some set of cells, to improve screen reader user experience.

Internationalization and localization

`<html>` element has a `[lang]` attribute
It is advised to provide a lang attribute so that screen readers and other assistive technologies are guaranteed to announce the page's text correctly. When not provided, the user's default language setting will be used which may cause inaccuracies.
`<html>` element has a valid value for its `[lang]` attribute
Specify a valid BCP 47 language in order to help screen readers and other assistive technologies announce text properly.
`[lang]` attributes have a valid value
Specify a valid BCP 47 language on elements in order to help screen readers and other assistive technologies announce text properly.

Best practices

The document does not use `<meta http-equiv="refresh">`
Pages that refresh automatically cause a poor user experience as focus is directed back to the top of the page unexpectedly.
`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.
For users with low vision who rely on screen magnification, ensure that zooming is not disabled.

Audio and video

`<video>` elements contain a `<track>` element with `[kind="captions"]`
Tainghe.com.vn may provide assistance to deaf or hearing-impaired users with captions on videos.

Contrast

Names and labels

Image elements do not have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Failing Elements

Tables and lists

Lists do not contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Use proper list structure to aid screen readers and other assistive technologies.
Failing Elements

Manual Checks

The page has a logical tab order
The visual layout should be logical in its tab order and users cannot focus elements that are offscreen.
Interactive controls are keyboard focusable
Ensure that custom interactive controls are keyboard focusable and that a focus indicator is displayed.
Interactive elements indicate their purpose and state
Ensure that interactive elements (such as links and buttons) are distinguishable from non-interactive elements and that they indicate their state.
The user's focus is directed to new content added to the page
When new content (such as a dialogue) is added to the page, the user's focus should be directed to it.
User focus is not accidentally trapped in a region
Avoid focus being accidentally trapped when a user tabs in and out of controls or regions on page.
Custom controls have associated labels
Ensure that custom interactive controls have associated labels, which are provided by aria-label and aria-labelledby attributes.
Custom controls have ARIA roles
Ensure that all custom interactive controls have appropriate ARIA roles.
Visual order on the page follows DOM order
Ensure that the DOM order matches with the page's visual order, in order to improve navigation for screen readers and other assistive technologies.
Offscreen content is hidden from assistive technology
Ensure that offscreen content is hidden through the use of "display:none" styling or the aria-hidden attribute.
HTML5 landmark elements are used to improve navigation
Elements such as <main> and <nav> are recommended as they are used by screen readers and other assistive technologies to improve keyboard navigation.
60

Best Practices

Indicates the recommended, best practices currently in place on the page and highlights the best practices that tainghe.com.vn should incorporate. This includes practices such as protecting pages with HTTPS.

Audits

Avoids requesting the geolocation permission on page load
When requesting a user's location, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids requesting the notification permission on page load
When requesting permission to send notifications, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Ensure CSP is effective against XSS attacks
Significantly reduce the risk of cross-site scripting attacks (XSS) by ensuring you have a strong Content Security Policy (CSP).
Description Directive Severity
No CSP found in enforcement mode
High

Audits

Allows users to paste into password fields
Ensure that password inputs may be pasted into to aid in the user's ability to use password managers and improve security.
Serves images with appropriate resolution
For maximum image clarity, ensure images have natural dimensions and are proportional to the display size and pixel ratio.
Fonts with `font-display: optional` are preloaded
It is recommended that optional fonts are preloaded.

Audits

Page has the HTML doctype
Ensure a doctype is specified to prevent the browser from switching to quirks-mode.
Properly defines charset
It is advised to declare a character encoding, optionally via a <meta> tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header.

Audits

Avoids Application Cache
Application cache is deprecated and is no longer recommended.
Detected JavaScript libraries
Below is a list of all front-end JavaScript libraries that were detected on the page.
Name Version
jQuery
2.1.1
Lo-Dash
4.17.4
core-js
core-js-pure@3.0.0
Avoids deprecated APIs
Avoid deprecated APIs which will eventually be removed the browser.
Page has valid source maps
Consider deploying source maps for added benefits such as the ability to debug while in production.
No issues in the `Issues` panel in Chrome Devtools
There may be unresolved issues logged to Chrome Devtools.

Audits

Does not use HTTPS — 1 insecure request found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL Request Resolution
http://tainghe.com.vn/
Allowed
Links to cross-origin destinations are unsafe
Improve performance and prevent security vulnerabilities by adding rel="noopener" and rel="noreferrer" to external links.
Includes front-end JavaScript libraries with known security vulnerabilities — 13 vulnerabilities detected
Ensure that the use of third-party scripts is minimal and that only trusted third-party scripts are used as some may contain known security vulnerabilities which may be exploited by attackers.
Library Version Vulnerability Count Highest Severity
4
Medium
9
High

Audits

Displays images with incorrect aspect ratio
Ensure that image display dimensions match their natural aspect ratio.
URL Aspect Ratio (Displayed) Aspect Ratio (Actual)
https://tainghe.com.vn/media/news/1071_shanling_up5_vs_fiio_btr5.jpg
220 x 124 (1.77)
1608 x 1079 (1.49)
https://tainghe.com.vn/media/news/1070_sednaearfit_crystal.jpg
220 x 124 (1.77)
1603 x 1080 (1.48)
https://tainghe.com.vn/media/news/1067_legacy_2.png
220 x 124 (1.77)
1560 x 894 (1.74)
https://tainghe.com.vn/media/news/1069_e58ffdfdfdfdfdfdfdfdfdfdfdf0c.jpg
220 x 124 (1.77)
1636 x 735 (2.23)
https://tainghe.com.vn/media/banner/17_Jul5be41ccebfeefb5f59b6896f170a699f.png
964 x 375 (2.57)
1405 x 653 (2.15)
https://tainghe.com.vn/media/news/1073_20210708_153111_1024x1024_banner.jpg
220 x 124 (1.77)
1024 x 642 (1.60)
https://tainghe.com.vn/media/news/1072_campfire_audio_mammoth_banner.jpg
220 x 124 (1.77)
1024 x 556 (1.84)

Audits

Registers an `unload` listener
The 'unload' event does not fire reliably, causing issues with browser optimizations such as the Back-Forward Cache. It is recommended that 'pagehide' or 'visibilitychange' events are used instead.
Source
Browser errors were logged to the console
Below is a list of all errors logged to the console, which indicate unresolved problems on the site.
Source Description
Failed to load resource: the server responded with a status of 403 (Forbidden)
Failed to load resource: the server responded with a status of 403 (Forbidden)
Failed to load resource: the server responded with a status of 404 (Not Found)
Refused to display 'https://www.facebook.com/' in a frame because it set 'X-Frame-Options' to 'deny'.
73

SEO

Indicates how well the page is optimized for ranking in search engines and highlights Search Engine Optimization (SEO) opportunities for tainghe.com.vn. This includes optimizations such as providing meta data.

Content Best Practices

Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
Document has a meta description
Meta descriptions may be used by search engines when displaying a link to the page and should concisely summarize the page's content.
Links have descriptive text
Make use of descriptive link text to assist search engines in understanding the content.
Document has a valid `hreflang`
Search engines can be instructed to list specific versions of a page for a given language or region through the use of hreflang links.
Document has a valid `rel=canonical`
Search engines can be suggested which URL should be shown in search results through the use of canonical links.
Document avoids plugins
The content of plugins cannot be indexed by search engines and many devices either restrict or do not support them.

Crawling and Indexing

Page has successful HTTP status code
Avoid pages with unsuccessful HTTP status codes as they may not be indexed by search engines.
Page isn’t blocked from indexing
Pages that cannot be crawled by search engines cannot be indexed or included in their search results. Ensure that search engines have permission to crawl all pages that should be indexed.
robots.txt is valid
Malformed robots.txt files prevent crawlers from understanding how a site wants to be crawled or indexed, which can be devastating to SEO.

Mobile Friendly

Document uses legible font sizes
Font sizes of 12px or less are too small to most mobile users without user gestures and further action. Aim for more than 60% of page text to use font sizes greater than 12px.
Tap targets are sized appropriately
Interactive elements (such as buttons and links) should be appropriately spaced, sized and easy enough to select or tap with regard to their surrounding elements.

Mobile Friendly

Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of tainghe.com.vn on mobile screens.

Crawling and Indexing

Links are not crawlable
Ensure that the 'href' attribute of anchor elements links to the appropriate destination. This allows for more pages of the site to be discovered by search engines.

Content Best Practices

Image elements do not have `[alt]` attributes
Provide short and descriptive alternative text where possible on informative elements.
Failing Elements

Manual Checks

Structured data is valid
Structured data can be validated through the use of the Structured Data Testing Tool and the Structured Data Linter.
18

Progressive Web App

Indicates how valid the aspects of a Progressive Web App (PWA) are for the page and highlights opportunities to enable/improve the PWA of tainghe.com.vn. This includes details about web app manifests.

PWA Optimized

Redirects HTTP traffic to HTTPS
It is advised to redirect all HTTP traffic to HTTPS, in order to enable secure web features for all users.
Content is sized correctly for the viewport
Ensure that the width of the app's content matches the width of the viewport, otherwise the app might not be optimized for mobile screens.

Installable

Web app manifest or service worker do not meet the installability requirements — 1 reason
User engagement may be increased by leveraging the browsers ability to proactively prompt users to add the app to their homescreen.
Failure reason
No manifest was fetched

PWA Optimized

Does not register a service worker that controls page and `start_url`
A service worker is used to provide Progressive Web Apps the use of features such as working offline, the ability for the app to be added to the homescreen as well as push notifications.
Is not configured for a custom splash screen
Themed splash screens ensure a high-quality user experience at launch for app users.
View Data
Does not set a theme color for the address bar.
A theme may be applied to the browser address bar, which ideally can be made to match the site.
View Data
Does not have a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of tainghe.com.vn on mobile screens.
Does not provide a valid `apple-touch-icon`
iOS users of Progressive Web Apps will benefit from an apple touch icon, which can be defined with 'apple-touch-icon', which must point to a non-transparent 192px (or 180px) square PNG.
Manifest doesn't have a maskable icon
Maskable icons are great to ensure that images fill the entire shape when installing the app on a device.

Manual Checks

Site works cross-browser
Ensure that the Progressive Web App works correctly across every major browser.
Page transitions don't feel like they block on the network
Users perceive apps with responsive, snappy transitions as higher peforming and ensures a great user experience, even on a slow network.
Each page has a URL
Ensure that all pages are deep linkable via URL. They should also be unique for the purpose of shareability on social media.
Avg. (All Categories) 64
Performance 64
Accessibility 55
Best Practices 67
SEO 91
Progressive Web App 42
0–49 (Fail) 50–89 (Average) 90–100 (Pass)
URL: https://tainghe.com.vn/
Updated: 2nd September, 2021

1.31 seconds
First Contentful Paint (FCP)
85%
10%
5%

0.01 seconds
First Input Delay (FID)
99%
1%
0%

Simulate loading on mobile
64

Performance

Indicates how well the page is performing and highlights opportunities where performance may be improved for tainghe.com.vn. This includes details about optimizing page load times which can result in a better user experience.

Metrics

Total Blocking Time — 120 ms
The total blocking time is the sum of all time periods between First Contentful Paint and Time to Interactive (when task length exceeded 50ms).

Other

Max Potential First Input Delay — 130 ms
Users could experience a delay when interacting with the page.
Network Requests
Below is a list of network requests that were made during page load.
URL Protocol Start Time (Ms) End Time (Ms) Transfer Size (Bytes) Resource Size (Bytes) Status Code MIME Type Resource Type
http://tainghe.com.vn/
http/1.1
0
383.35200026631
996
0
301
text/html
https://tainghe.com.vn/
h2
383.98599997163
771.11300034449
11233
38159
200
text/html
Document
https://tainghe.com.vn/template/default/script/m_style.css?v=11.7
h2
784.87899992615
1120.4340001568
31548
185028
200
text/css
Stylesheet
https://tainghe.com.vn/template/default/script/m_css.css?v=1.1
h2
785.62500001863
1103.9590002038
18223
101359
200
text/css
Stylesheet
https://tainghe.com.vn/template/default/script/m_css2.css?v=15.07.2021
h2
785.80200020224
817.87100015208
15532
73812
200
text/css
Stylesheet
https://www.googletagmanager.com/gtag/js?id=UA-86334960-1
h2
857.67100006342
890.08000027388
41987
103699
200
application/javascript
Script
https://cdnjs.cloudflare.com/ajax/libs/Swiper/3.0.1/css/swiper.css
h2
789.44900026545
813.38800024241
2977
12299
200
text/css
Stylesheet
https://tainghe.com.vn/template/default/script/jquery.js
h2
789.71099993214
832.48700015247
32692
87642
200
application/javascript
Script
https://tainghe.com.vn/template/default/images/home.png
h2
858.08499995619
1189.5850002766
6078
5185
200
image/png
Image
https://tainghe.com.vn/template/default/images/khuyenmai.png
h2
858.4080003202
2000.7040002383
5713
4824
200
image/png
Image
https://tainghe.com.vn/template/default/images/icon_tintuc.png
h2
858.64000022411
1165.5970001593
5245
4358
200
image/png
Image
https://tainghe.com.vn/media/category/cb_4d485476e07e02638e8e2133cdf8f56d.png
h2
858.81200013682
886.14800013602
1276
386
200
image/png
Image
https://tainghe.com.vn/media/category/cb_a22746738a475a75211f96a98549a811.png
h2
858.94099995494
882.46600003913
1039
150
200
image/png
Image
https://tainghe.com.vn/media/category/cb_f6c8dd5cf8f95e19e99ef874e3edc242.png
h2
859.22800004482
2000.0570002012
1327
432
200
image/png
Image
https://tainghe.com.vn/media/category/cb_11d43abae0e8c059b99f7b587d9862d3.png
h2
859.42200012505
1159.7549999133
2186
1292
200
image/png
Image
https://tainghe.com.vn/media/category/cb_34ead602847eccffd2bc5af611a422d2.png
h2
859.69200031832
2060.9180000611
1550
659
200
image/png
Image
https://tainghe.com.vn/media/category/cb_d3306ab36c10519e174cd70561740e69.png
h2
859.8939999938
1157.8140002675
1086
198
200
image/png
Image
https://tainghe.com.vn/template/default/images/no_img.png
h2
860.11500004679
2002.5790003128
1595
702
200
image/png
Image
https://tainghe.com.vn/template/default/images/BRAND-512.png
h2
860.32199999318
1163.0009999499
23893
23008
200
image/png
Image
https://tainghe.com.vn/media/banner/logo_logo_logo.png
h2
860.61200033873
1169.3580001593
5158
4261
200
image/png
Image
https://tainghe.com.vn/template/default/images/icon-mobile.png
h2
860.79999990761
2011.0550001264
2007
1119
200
image/png
Image
https://tainghe.com.vn/template/default/script/popup.js
h2
856.92699998617
2052.554000169
1997
3312
200
application/javascript
Script
https://tainghe.com.vn/media/banner/popup_rounded-in-photoretrica%20(1).png
h2
860.95600016415
2855.9840000235
105499
104612
200
image/png
Image
https://tainghe.com.vn/media/banner/20_Jul7be5d79c0876c7323d7731aac6b141ac.png
h2
861.2930001691
906.50100028142
190994
190099
200
image/png
Image
https://tainghe.com.vn/media/banner/17_Jul5be41ccebfeefb5f59b6896f170a699f.png
h2
861.51099996641
900.28699999675
693974
693079
200
image/png
Image
https://tainghe.com.vn/media/banner/30_Juna7564b4b8c7d51fadc4a3238d53e8800.png
h2
861.7090000771
3193.1799999438
189466
188575
200
image/png
Image
https://tainghe.com.vn/media/banner/17_May794cdb9c73f8c687c66ee249c67e263a.jpg
h2
861.90199991688
1446.8450001441
103325
102437
200
image/jpeg
Image
https://tainghe.com.vn/media/banner/17_May7151184986aed9f8f418938930271d37.jpg
h2
862.14200034738
3117.7340000868
156934
156044
200
image/jpeg
Image
https://tainghe.com.vn/media/banner/08_Julb39908d9b051dec5728f02501357224e.jpg
h2
862.32600035146
3390.6890000217
215111
214223
200
image/jpeg
Image
https://tainghe.com.vn/media/news/120_1006_166964635_932963357463628_5467304385445435593_n.jpg
h2
862.53000004217
1184.5080000348
5883
5004
200
image/jpeg
Image
https://tainghe.com.vn/media/news/120_990_11225498.jpg
h2
862.68200026825
1995.7870002836
5693
4808
200
image/jpeg
Image
https://tainghe.com.vn/media/news/120_992_sydney_skyline_facebook_ad__1_.jpg
h2
862.82900022343
905.35400016233
7760
6869
200
image/jpeg
Image
https://tainghe.com.vn/template/default/images/fb-icon.png
h2
863.00999997184
1997.3920001648
1269
376
200
image/png
Image
https://tainghe.com.vn/template/default/images/yt-icon.png
h2
863.19700023159
1179.2049999349
1719
841
200
image/png
Image
https://tainghe.com.vn/template/default/images/icon_insta.png
h2
863.50900027901
2048.7500000745
5407
4516
200
image/png
Image
https://tainghe.com.vn/javascript/dist/hurastore.js?6
h2
857.31700016186
2063.9059999958
39386
111518
200
application/javascript
Script
https://tainghe.com.vn/includes/js/common.js?2
h2
857.519000303
883.11300007626
8223
29781
200
application/javascript
Script
https://cdnjs.cloudflare.com/ajax/libs/Swiper/3.0.1/js/swiper.js
h2
863.67100011557
889.39400017262
18268
127485
200
application/javascript
Script
https://www.googletagmanager.com/gtm.js?id=GTM-PNNBLPS
h2
863.81500028074
881.96100015193
39055
99000
200
application/javascript
Script
https://tainghe.com.vn/template/default/images/sprite_desktop_4.png
h2
864.69299998134
1171.4090001769
283398
282506
200
image/png
Image
https://www.google-analytics.com/analytics.js
h2
932.29900021106
936.90400011837
20399
49529
200
text/javascript
Script
https://www.google-analytics.com/j/collect?v=1&_v=j93&a=1855715867&t=pageview&_s=1&dl=https%3A%2F%2Ftainghe.com.vn%2F&ul=en-us&de=UTF-8&dt=Chuy%C3%AAn%20B%C3%A1n%20Tai%20Nghe%2C%20M%C3%A1y%20Nghe%20Nh%E1%BA%A1c%20Lossless%2C%20Loa%20Di%20%C4%90%E1%BB%99ng%20Bluetooth&sd=24-bit&sr=360x640&vp=360x640&je=0&_u=YEBAAUABAAAAAC~&jid=874463094&gjid=1831576175&cid=145578580.1630542367&tid=UA-86334960-1&_gid=1809901106.1630542367&_r=1&gtm=2ou8u0&z=138105961
h2
963.38899992406
967.61600021273
640
2
200
text/plain
XHR
https://stats.g.doubleclick.net/j/collect?t=dc&aip=1&_r=3&v=1&_v=j93&tid=UA-86334960-1&cid=145578580.1630542367&jid=874463094&gjid=1831576175&_gid=1809901106.1630542367&_u=YEBAAUAAAAAAAC~&z=1997527900
h2
970.02199990675
1081.4090003259
713
2
200
text/plain
XHR
https://www.google.com/ads/ga-audiences?t=sr&aip=1&_r=4&slf_rd=1&v=1&_v=j93&tid=UA-86334960-1&cid=145578580.1630542367&jid=874463094&_u=YEBAAUAAAAAAAC~&z=1868759274
h2
1084.0690000914
1092.5779999234
700
42
200
image/gif
Image
https://tainghe.com.vn/template/default/images/sprite.png
h2
2064.7010002285
3216.9270003214
40422
39530
200
image/png
Image
https://tainghe.com.vn/template/default/images/m-fb.png
h2
2125.8280002512
2146.807000041
2259
1368
200
image/png
Image
https://tainghe.com.vn/template/default/images/zalo.png
h2
2126.0350001976
2428.3420001157
3285
2395
200
image/png
Image
https://tainghe.com.vn/template/default/images/phone-call.png
h2
2126.7430000007
2166.4840001613
2608
1715
200
image/png
Image
https://tainghe.com.vn/ajax/get_json.php?action=product&action_type=product-list&type=&sort=order&category=1
h2
2150.0240000896
3403.0260001309
6190
120387
200
text/html
XHR
https://tainghe.com.vn/ajax/get_json.php?action=product&action_type=product-list&type=&sort=order&category=4
h2
2151.7500001937
3360.8929999173
6899
139168
200
text/html
XHR
https://tainghe.com.vn/ajax/get_json.php?action=article&action_type=new&type=article&show=10
h2
2152.7110002935
2494.9770001695
5714
29800
200
text/html
XHR
https://tainghe.com.vn/media/news/120_1073_20210708_153111_1024x1024_banner.jpg
h2
2500.5220002495
4357.6800003648
7466
6583
200
image/jpeg
Image
https://tainghe.com.vn/media/news/120_1072_campfire_audio_mammoth_banner.jpg
h2
2500.7529999129
2845.4500003718
7060
6171
200
image/jpeg
Image
https://tainghe.com.vn/media/news/120_1071_shanling_up5_vs_fiio_btr5.jpg
h2
2501.0830000974
2849.1210001521
7972
7083
200
image/jpeg
Image
https://tainghe.com.vn/media/news/120_1070_sednaearfit_crystal.jpg
h2
2501.3840002939
2845.9490002133
7611
6730
200
image/jpeg
Image
https://tainghe.com.vn/media/news/120_1069_e58ffdfdfdfdfdfdfdfdfdfdfdf0c.jpg
h2
2501.6780002043
4374.7960003093
5980
5095
200
image/jpeg
Image
https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css
h2
2622.2920003347
2643.85100035
6780
31000
200
text/css
Stylesheet
https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/fonts/fontawesome-webfont.woff2?v=4.7.0
h2
2657.0950001478
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78312
77160
200
application/octet-stream
Font
https://tainghe.com.vn/media/product/250_1688-01.jpg
h2
3367.7159999497
3391.4310000837
8163
7258
200
image/jpeg
Image
https://tainghe.com.vn/media/product/250_2547_r3_pro.jpg
h2
3367.9579999298
3389.3530000933
13117
12217
200
image/jpeg
Image
https://tainghe.com.vn/media/product/250_2290_gr_gdfbgdsfgdsh_dsgdfshdsfgdfsgdfh_dfhds_gdgd.jpg
h2
3368.2010001503
4358.1090001389
11832
10950
200
image/jpeg
Image
https://tainghe.com.vn/media/product/250_2670_capture.PNG
h2
3368.399000261
4752.8119999915
35822
34937
200
image/png
Image
https://tainghe.com.vn/media/product/250_3205_1_c8530253_8b43_4bf1_aee2_e5430699bfa7_1500x_gigapixel.jpg
h2
3368.6850001104
4503.0390000902
10972
10088
200
image/jpeg
Image
https://tainghe.com.vn/media/product/250_2531_xuanvu_shanling_m6.jpg
h2
3368.9950001426
3394.0210002474
11618
10724
200
image/jpeg
Image
https://tainghe.com.vn/media/product/250_3326_r5s_1_1500x.jpg
h2
3369.2250000313
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8713
7818
200
image/jpeg
Image
https://tainghe.com.vn/media/product/250_3009_untitled.png
h2
3369.4950002246
3951.3890002854
44605
43718
200
image/png
Image
https://tainghe.com.vn/media/product/250_2474_727eb8deb1db4c8515ca.jpg
h2
3369.7910001501
3399.8520001769
7989
7100
200
image/jpeg
Image
https://tainghe.com.vn/media/product/250_2496_xuanvu_ibasso_dx160_1.jpg
h2
3369.999000337
3392.0700000599
12665
11767
200
image/jpeg
Image
https://tainghe.com.vn/template/default/images/icon_discount.png
h2
3372.3969999701
3399.3589999154
2536
1631
200
image/png
Image
https://tainghe.com.vn/media/product/250_2982_andromeda_2020_01_webpage_image_1400x1400.jpg
h2
3413.1570002064
4382.3750000447
9351
8456
200
image/jpeg
Image
https://tainghe.com.vn/media/product/250_2983_solaris_2020_01_ws.jpg
h2
3413.3629999124
4357.088000048
10538
9653
200
image/jpeg
Image
https://tainghe.com.vn/media/product/250_3270_dorado_2020_web_1.jpg
h2
3413.4980002418
4586.8600001559
8871
7984
200
image/jpeg
Image
https://tainghe.com.vn/media/product/250_3417_3.jpg
h2
3413.7230003253
3444.8530003428
7073
6174
200
image/jpeg
Image
https://tainghe.com.vn/media/product/250_2895_715kqyhte8l__ac_sl1500_.jpg
h2
3413.8720002957
4544.5610000752
12780
11886
200
image/jpeg
Image
https://tainghe.com.vn/media/product/250_2581_5.jpg
h2
3414.0020003542
4386.4730000496
8953
8066
200
image/jpeg
Image
https://tainghe.com.vn/media/product/250_2546_2020_6359765_sd.jpg
h2
3414.148000069
3438.6030002497
8188
7293
200
image/jpeg
Image
https://tainghe.com.vn/media/product/250_2675_71t_irwn3tl__ac_sl1500_.jpg
h2
3414.3070001155
3728.1630001962
14130
13244
200
image/jpeg
Image
https://tainghe.com.vn/media/product/250_3019_moondrop_ssr_green.png
h2
3414.4430002198
4915.5749999918
33785
32892
200
image/png
Image
https://tainghe.com.vn/media/product/250_3380_2571_jpg.jpg
h2
3414.7120001726
3446.8700001016
7594
6699
200
image/jpeg
Image
Network Round Trip Times — 0 ms
High Network RTT (Round Trip Times) can have a large impact on performance. Providing servers geographically closer to the user could improve performance.
Server Backend Latencies — 0 ms
High server latencies indicate the server is overloaded or has a poor backend performance.
Tasks
Below is a list of the top-level main thread tasks that executed during page load.
Start Time (Ms) End Time (Ms)
781.059
8.576
794.977
8.332
846.739
22.242
869
11.491
898.46
8.524
907.367
6.762
916.086
13.473
929.866
9.543
948.361
22.443
1129.61
7.796
1137.475
15.261
2064.751
23.751
2097.656
63.005
2502.405
6.305
2508.781
7.063
2655.173
15.058
2671.917
11.381
2687.312
7.321
3369.627
7.939
3377.584
17.351
3412.377
9.274
3421.962
13.998
4927.529
12.959
Diagnostics
Below is a collection of useful page vitals.
View Data
Metrics
Below is a collection of metrics.
View Data
Script Treemap Data
Provide as required, for treemap app.

Opportunities

Defer offscreen images
Time to Interactive can be slowed down by resources on the page. Tainghe.com.vn should consider lazy-loading offscreen and hidden images.
Minify CSS
Cascading Style Sheets (CSS) files can contribute to network payload sizes. Tainghe.com.vn should consider minifying CSS files.
Enable text compression
Text-based resources should be served with compression, such as gzip, deflate or brotli.
Preconnect to required origins
Resource hints, such as 'preconnect' or 'dns-prefetch', may assist in establishing early connections to important third-party origins.
Initial server response time was short — Root document took 390 ms
It is advised to keep the server response time short for the main document, because all other requests depend on it.
URL Time Spent (Ms)
https://tainghe.com.vn/
388.124
Avoid multiple page redirects — Potential savings of 630 ms
Redirects can cause additional delays before the page can begin loading. Tainghe.com.vn should avoid multiple or unnecessary page redirects.
URL Time Spent (Ms)
http://tainghe.com.vn/
630
https://tainghe.com.vn/
0
Preload key requests
Key requests can be preloaded by using '<link rel=preload>'. Tainghe.com.vn should consider using '<link rel=preload>' to prioritize fetching resources that are currently requested later in page load.
Use video formats for animated content
Large GIFs are inefficient for delivering animated content. It is recommended to use MPEG4/WebM videos for animations and PNG/WebP for static images instead of GIF.
Remove duplicate modules in JavaScript bundles
Ensure that no duplicate JavaScript modules from bundles exist to reduce bytes consumed by network activity.
Preload Largest Contentful Paint image
It is recommended to preload images used by LCP elements, to improve LCP time.

Diagnostics

Avoids an excessive DOM size — 686 elements
A large DOM (Document Object Model) will increase memory usage, cause longer system calculations as well as costly layout reflows.
Statistic Element Value
Total DOM Elements
686
Maximum DOM Depth
13
Maximum Child Elements
16
Avoid chaining critical requests — 5 chains found
Below is a list of Critical Request Chains, which shows which resources are loaded with a high priority. Tainghe.com.vn should consider reducing the length of chains, reducing the download size of resources, or deferring the download of unnecessary resources to improve page load.
User Timing marks and measures
Make use of the User Timing API to measure an app's real-world performance during key user experiences.
JavaScript execution time — 0.7 s
JavaScript (JS) execution time can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
URL Total CPU Time (Ms) Script Evaluation (Ms) Script Parse (Ms)
https://tainghe.com.vn/
1042.372
40.62
12.18
Unattributable
401.336
13.376
0.576
https://tainghe.com.vn/template/default/script/jquery.js
386.396
288.78
7.728
https://www.googletagmanager.com/gtm.js?id=GTM-PNNBLPS
107.932
89.408
11.324
https://www.google-analytics.com/analytics.js
107.32
91.544
4.904
https://tainghe.com.vn/javascript/dist/hurastore.js?6
80.192
62.776
9.544
https://www.googletagmanager.com/gtag/js?id=UA-86334960-1
68.208
54.468
10.3
Keep request counts low and transfer sizes small — 79 requests • 2,722 KiB
It is advised to add a budgets.json file in order to set budgets for the quantity and size of page resources.
Resource Type Requests Transfer Size (Bytes)
Total
79
2787007
Image
58
2399243
Script
8
202007
Font
1
78312
Stylesheet
5
75060
Other
6
21152
Document
1
11233
Media
0
0
Third-party
10
209831
Minimize third-party usage — Third-party code blocked the main thread for 30 ms
It is advised to either limit, remove or delay the loading of redundant third-party code which may be significantly impacting load performance.
Third-Party Transfer Size (Bytes) Main-Thread Blocking Time (Ms)
21039
30.908
81042
2.036
106337
0
713
0
700
0
Lazy load third-party resources with facades
Consider replacing third-party embeds with a facade until they are required (use lazy loading).
Largest Contentful Paint element — 1 element found
The element which was identified as the Largest Contentful Paint.
Element
Avoid large layout shifts — 5 elements found
Below is a list of all DOM elements that contribute to the CLS of the page.
Element CLS Contribution
0.11657986111111
0.017475566116609
0.0016558857591631
0.00073606618153864
0.00035086573175148
Avoids `document.write()`
Avoid or limit the use of external scripts that are dynamically injected via 'document.write()' as users on slow connections will be delayed by tens of seconds.
Avoid long main-thread tasks — 4 long tasks found
Below is a list of the longest tasks on the main thread, which is useful when identifying the worst input delay contributors.
URL Start Time (Ms) Duration (Ms)
https://tainghe.com.vn/javascript/dist/hurastore.js?6
6510
126
https://www.google-analytics.com/analytics.js
3491
90
https://tainghe.com.vn/template/default/script/jquery.js
2760
89
https://www.googletagmanager.com/gtm.js?id=GTM-PNNBLPS
3123
54
Avoid non-composited animations
It is recommended to avoid non-composited animations which are often janky and increase CLS.

Budgets

Performance budget
It is advised to keep the quantity and size of all network requests under the targets set by the provided performance budget.
Timing budget
It is advised to set a timing budget to monitor the performance of your site.

Metrics

First Contentful Paint — 1.9 s
The time taken for the first image or text on the page to be rendered.
Speed Index — 5.3 s
The time taken for the page contents to be visibly populated.
Time to Interactive — 5.1 s
The time taken for the page to become fully interactive.
Cumulative Layout Shift — 0.117
Cumulative Layout Shift is the measurement of visible elements collective movement within the viewport.
View Data

Other

First Meaningful Paint — 2.7 s
The time taken for the primary content of the page to be rendered.
First Contentful Paint (3G) — 3749 ms
The time taken for the first image or text on the page to be rendered while on a 3G network.

Opportunities

Eliminate render-blocking resources — Potential savings of 480 ms
Resources, such as JavaScript and style sheets, can block the first paint of the page. Tainghe.com.vn should consider delivering critical JavaScript/style sheets (JS/CSS) inline and deferring all non-critical JS/CSS.
URL Transfer Size (Bytes) Potential Savings (Ms)
https://cdnjs.cloudflare.com/ajax/libs/Swiper/3.0.1/css/swiper.css
2977
780
https://tainghe.com.vn/template/default/script/jquery.js
32692
300
Minify JavaScript — Potential savings of 11 KiB
JavaScript (JS) files can contribute to network payload sizes and increase script parse times. Tainghe.com.vn should consider minifying JS files.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://cdnjs.cloudflare.com/ajax/libs/Swiper/3.0.1/js/swiper.js
18268
8875
https://tainghe.com.vn/includes/js/common.js?2
8223
2818
Reduce unused CSS — Potential savings of 62 KiB
Dead and/or unused rules in Style Sheets (CSS) can contribute to network payload sizes. Tainghe.com.vn should consider removing dead rules from style sheets and deferring the loading of CSS not used for above-the-fold content.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://tainghe.com.vn/template/default/script/m_style.css?v=11.7
31548
31013
https://tainghe.com.vn/template/default/script/m_css.css?v=1.1
18223
18179
https://tainghe.com.vn/template/default/script/m_css2.css?v=15.07.2021
15532
13990
Reduce unused JavaScript — Potential savings of 70 KiB
It is advised to remove unused JavaScript in order to reduce bytes consumed by network activity.
URL Transfer Size (Bytes) Potential Savings (Bytes)
https://tainghe.com.vn/javascript/dist/hurastore.js?6
39386
28464
https://www.googletagmanager.com/gtag/js?id=UA-86334960-1
41987
22293
https://www.googletagmanager.com/gtm.js?id=GTM-PNNBLPS
39055
21075
Efficiently encode images — Potential savings of 119 KiB
Unoptimized images can consume more cellular data than what is necessary.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://tainghe.com.vn/media/banner/08_Julb39908d9b051dec5728f02501357224e.jpg
214223
121700
Avoid serving legacy JavaScript to modern browsers — Potential savings of 9 KiB
Polyfills and transforms enable legacy browsers to use new JavaScript features. For bundled JavaScript it is recommended to adopt a modern script deployment strategy using module/nomodule feature detection. This will reduce the amount of code shipped to modern browsers.
URL Potential Savings (Bytes)
https://tainghe.com.vn/javascript/dist/hurastore.js?6
9257

Diagnostics

Avoid enormous network payloads — Total size was 2,722 KiB
Large network payloads can cost users money and are linked to long load times.
URL Transfer Size (Bytes)
https://tainghe.com.vn/media/banner/17_Jul5be41ccebfeefb5f59b6896f170a699f.png
693974
https://tainghe.com.vn/template/default/images/sprite_desktop_4.png
283398
https://tainghe.com.vn/media/banner/08_Julb39908d9b051dec5728f02501357224e.jpg
215111
https://tainghe.com.vn/media/banner/20_Jul7be5d79c0876c7323d7731aac6b141ac.png
190994
https://tainghe.com.vn/media/banner/30_Juna7564b4b8c7d51fadc4a3238d53e8800.png
189466
https://tainghe.com.vn/media/banner/17_May7151184986aed9f8f418938930271d37.jpg
156934
https://tainghe.com.vn/media/banner/popup_rounded-in-photoretrica%20(1).png
105499
https://tainghe.com.vn/media/banner/17_May794cdb9c73f8c687c66ee249c67e263a.jpg
103325
https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/fonts/fontawesome-webfont.woff2?v=4.7.0
78312
https://tainghe.com.vn/media/product/250_3009_untitled.png
44605
Minimize main-thread work — 2.2 s
Main-thread work timing can be lowered by reducing the time required for parsing, compiling and executing JS. Delivering smaller JS payloads may help with this.
Category Time Spent (Ms)
Script Evaluation
645.384
Other
586.716
Style & Layout
473.228
Rendering
302.908
Parse HTML & CSS
147.812
Script Parsing & Compilation
73.52

Metrics

Largest Contentful Paint — 9.0 s
The timing of the largest text or image that is painted.

Opportunities

Properly size images — Potential savings of 651 KiB
Images can slow down the page's load time. Tainghe.com.vn should consider serving more appropriate-sized images.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://tainghe.com.vn/media/banner/17_Jul5be41ccebfeefb5f59b6896f170a699f.png
693079
422295
https://tainghe.com.vn/media/banner/17_May7151184986aed9f8f418938930271d37.jpg
156044
138888
https://tainghe.com.vn/media/banner/17_May794cdb9c73f8c687c66ee249c67e263a.jpg
102437
77096
https://tainghe.com.vn/media/banner/08_Julb39908d9b051dec5728f02501357224e.jpg
214223
28024
Serve images in next-gen formats — Potential savings of 1,607 KiB
Consider JPEG 2000, JPEG XR or WebP image formats which provide better compression than PNG and JPEG.
URL Resource Size (Bytes) Potential Savings (Bytes)
https://tainghe.com.vn/media/banner/17_Jul5be41ccebfeefb5f59b6896f170a699f.png
693079
644796.75
https://tainghe.com.vn/template/default/images/sprite_desktop_4.png
282506
193841.05
https://tainghe.com.vn/media/banner/08_Julb39908d9b051dec5728f02501357224e.jpg
214223
173286.65
https://tainghe.com.vn/media/banner/30_Juna7564b4b8c7d51fadc4a3238d53e8800.png
188575
159887.05
https://tainghe.com.vn/media/banner/20_Jul7be5d79c0876c7323d7731aac6b141ac.png
190099
157610.9
https://tainghe.com.vn/media/banner/popup_rounded-in-photoretrica%20(1).png
104612
85818.8
https://tainghe.com.vn/media/banner/17_May7151184986aed9f8f418938930271d37.jpg
156044
62356.25
https://tainghe.com.vn/media/banner/17_May794cdb9c73f8c687c66ee249c67e263a.jpg
102437
42785.9
https://tainghe.com.vn/media/product/250_3009_untitled.png
43718
38106.45
https://tainghe.com.vn/media/product/250_2670_capture.PNG
34937
31046.5
https://tainghe.com.vn/media/product/250_3019_moondrop_ssr_green.png
32892
30449
https://tainghe.com.vn/template/default/images/sprite.png
39530
25933.25

Diagnostics

Serve static assets with an efficient cache policy — 65 resources found
Tainghe.com.vn can speed up repeat visits by increasing the cache lifetime, which is essentially how long before a cached copy expires.
URL Cache TTL (Ms) Transfer Size (Bytes)
https://www.google-analytics.com/analytics.js
7200000
20399
https://tainghe.com.vn/media/banner/17_Jul5be41ccebfeefb5f59b6896f170a699f.png
14400000
693974
https://tainghe.com.vn/template/default/images/sprite_desktop_4.png
14400000
283398
https://tainghe.com.vn/media/banner/08_Julb39908d9b051dec5728f02501357224e.jpg
14400000
215111
https://tainghe.com.vn/media/banner/20_Jul7be5d79c0876c7323d7731aac6b141ac.png
14400000
190994
https://tainghe.com.vn/media/banner/30_Juna7564b4b8c7d51fadc4a3238d53e8800.png
14400000
189466
https://tainghe.com.vn/media/banner/17_May7151184986aed9f8f418938930271d37.jpg
14400000
156934
https://tainghe.com.vn/media/banner/popup_rounded-in-photoretrica%20(1).png
14400000
105499
https://tainghe.com.vn/media/banner/17_May794cdb9c73f8c687c66ee249c67e263a.jpg
14400000
103325
https://tainghe.com.vn/media/product/250_3009_untitled.png
14400000
44605
https://tainghe.com.vn/template/default/images/sprite.png
14400000
40422
https://tainghe.com.vn/javascript/dist/hurastore.js?6
14400000
39386
https://tainghe.com.vn/media/product/250_2670_capture.PNG
14400000
35822
https://tainghe.com.vn/media/product/250_3019_moondrop_ssr_green.png
14400000
33785
https://tainghe.com.vn/template/default/script/jquery.js
14400000
32692
https://tainghe.com.vn/template/default/script/m_style.css?v=11.7
14400000
31548
https://tainghe.com.vn/template/default/images/BRAND-512.png
14400000
23893
https://tainghe.com.vn/template/default/script/m_css.css?v=1.1
14400000
18223
https://tainghe.com.vn/template/default/script/m_css2.css?v=15.07.2021
14400000
15532
https://tainghe.com.vn/media/product/250_2675_71t_irwn3tl__ac_sl1500_.jpg
14400000
14130
https://tainghe.com.vn/media/product/250_2547_r3_pro.jpg
14400000
13117
https://tainghe.com.vn/media/product/250_2895_715kqyhte8l__ac_sl1500_.jpg
14400000
12780
https://tainghe.com.vn/media/product/250_2496_xuanvu_ibasso_dx160_1.jpg
14400000
12665
https://tainghe.com.vn/media/product/250_2290_gr_gdfbgdsfgdsh_dsgdfshdsfgdfsgdfh_dfhds_gdgd.jpg
14400000
11832
https://tainghe.com.vn/media/product/250_2531_xuanvu_shanling_m6.jpg
14400000
11618
https://tainghe.com.vn/media/product/250_3205_1_c8530253_8b43_4bf1_aee2_e5430699bfa7_1500x_gigapixel.jpg
14400000
10972
https://tainghe.com.vn/media/product/250_2983_solaris_2020_01_ws.jpg
14400000
10538
https://tainghe.com.vn/media/product/250_2982_andromeda_2020_01_webpage_image_1400x1400.jpg
14400000
9351
https://tainghe.com.vn/media/product/250_2581_5.jpg
14400000
8953
https://tainghe.com.vn/media/product/250_3270_dorado_2020_web_1.jpg
14400000
8871
https://tainghe.com.vn/media/product/250_3326_r5s_1_1500x.jpg
14400000
8713
https://tainghe.com.vn/includes/js/common.js?2
14400000
8223
https://tainghe.com.vn/media/product/250_2546_2020_6359765_sd.jpg
14400000
8188
https://tainghe.com.vn/media/product/250_1688-01.jpg
14400000
8163
https://tainghe.com.vn/media/product/250_2474_727eb8deb1db4c8515ca.jpg
14400000
7989
https://tainghe.com.vn/media/news/120_1071_shanling_up5_vs_fiio_btr5.jpg
14400000
7972
https://tainghe.com.vn/media/news/120_992_sydney_skyline_facebook_ad__1_.jpg
14400000
7760
https://tainghe.com.vn/media/news/120_1070_sednaearfit_crystal.jpg
14400000
7611
https://tainghe.com.vn/media/product/250_3380_2571_jpg.jpg
14400000
7594
https://tainghe.com.vn/media/news/120_1073_20210708_153111_1024x1024_banner.jpg
14400000
7466
https://tainghe.com.vn/media/product/250_3417_3.jpg
14400000
7073
https://tainghe.com.vn/media/news/120_1072_campfire_audio_mammoth_banner.jpg
14400000
7060
https://tainghe.com.vn/template/default/images/home.png
14400000
6078
https://tainghe.com.vn/media/news/120_1069_e58ffdfdfdfdfdfdfdfdfdfdfdf0c.jpg
14400000
5980
https://tainghe.com.vn/media/news/120_1006_166964635_932963357463628_5467304385445435593_n.jpg
14400000
5883
https://tainghe.com.vn/template/default/images/khuyenmai.png
14400000
5713
https://tainghe.com.vn/media/news/120_990_11225498.jpg
14400000
5693
https://tainghe.com.vn/template/default/images/icon_insta.png
14400000
5407
https://tainghe.com.vn/template/default/images/icon_tintuc.png
14400000
5245
https://tainghe.com.vn/media/banner/logo_logo_logo.png
14400000
5158
https://tainghe.com.vn/template/default/images/zalo.png
14400000
3285
https://tainghe.com.vn/template/default/images/phone-call.png
14400000
2608
https://tainghe.com.vn/template/default/images/icon_discount.png
14400000
2536
https://tainghe.com.vn/template/default/images/m-fb.png
14400000
2259
https://tainghe.com.vn/media/category/cb_11d43abae0e8c059b99f7b587d9862d3.png
14400000
2186
https://tainghe.com.vn/template/default/images/icon-mobile.png
14400000
2007
https://tainghe.com.vn/template/default/script/popup.js
14400000
1997
https://tainghe.com.vn/template/default/images/yt-icon.png
14400000
1719
https://tainghe.com.vn/template/default/images/no_img.png
14400000
1595
https://tainghe.com.vn/media/category/cb_34ead602847eccffd2bc5af611a422d2.png
14400000
1550
https://tainghe.com.vn/media/category/cb_f6c8dd5cf8f95e19e99ef874e3edc242.png
14400000
1327
https://tainghe.com.vn/media/category/cb_4d485476e07e02638e8e2133cdf8f56d.png
14400000
1276
https://tainghe.com.vn/template/default/images/fb-icon.png
14400000
1269
https://tainghe.com.vn/media/category/cb_d3306ab36c10519e174cd70561740e69.png
14400000
1086
https://tainghe.com.vn/media/category/cb_a22746738a475a75211f96a98549a811.png
14400000
1039
Ensure text remains visible during webfont load
Make use of the font-display CSS feature, which will ensure text is user-visible while webfonts are loading.
URL Potential Savings (Ms)
https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/fonts/fontawesome-webfont.woff2?v=4.7.0
21.788999903947
Does not use passive listeners to improve scrolling performance
Improve the page's scroll performance by marking touch and wheel event listeners as 'passive'.
Source
Image elements do not have explicit `width` and `height`
Reduce layout shifts and improve CLS by setting explicit width and height properties on image elements.
URL Failing Elements
https://tainghe.com.vn/media/banner/popup_rounded-in-photoretrica%20(1).png
https://tainghe.com.vn/media/news/120_1070_sednaearfit_crystal.jpg
https://tainghe.com.vn/media/news/120_1071_shanling_up5_vs_fiio_btr5.jpg
https://tainghe.com.vn/media/news/120_1073_20210708_153111_1024x1024_banner.jpg
https://tainghe.com.vn/media/news/120_1072_campfire_audio_mammoth_banner.jpg
https://tainghe.com.vn/media/news/120_1069_e58ffdfdfdfdfdfdfdfdfdfdfdf0c.jpg
55

Accessibility

Indicates how accessible the page is and highlights opportunities where the page can be made more accessible to users of tainghe.com.vn. This includes details about various page attributes that can be optimized.

Navigation

`[accesskey]` values are unique
Access keys assist users with focusing on different parts of the page. Each access key should be unique for proper navigation.
The page contains a heading, skip link, or landmark region
It is advised to provide ways to bypass repetitive content, allowing users to navigate the page efficiently.
`[id]` attributes on active, focusable elements are unique
Ensure all focusable elements have a unique id value to allow them to be visible to users of assistive technologies, like a screen reader.
No element has a `[tabindex]` value greater than 0
Although technically valid, a tabindex value greater than 0 often creates frustrating experiences for users who rely on assistive technologies.

ARIA

`[aria-*]` attributes match their roles
Avoid mismatching 'aria-*' attributes and their 'role' value, as it invalidates the attribute.
`button`, `link`, and `menuitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-hidden="true"]` is not present on the document `<body>`
If aria-hidden=true is set on the document body, assistive technologies, like a screen reader will work inconsistently.
`[aria-hidden="true"]` elements do not contain focusable descendents
Interactive elements within an aria-hidden=true element are unavailable to users of assistive technologies, like a screen reader.
ARIA input fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when an input field does not have an accessible name specified.
ARIA `meter` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `progressbar` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[role]`s have all required `[aria-*]` attributes
Some ARIA roles have required 'aria-*' attributes, which provide essential information about state and functionality.
Elements with an ARIA `[role]` that require children to contain a specific `[role]` have all required children.
Some ARIA parent roles cannot perform their intended functions if specific child roles are not used.
`[role]`s are contained by their required parent element
Some ARIA child roles cannot perform their intended functions if specific parent roles are not used.
`[role]` values are valid
All ARIA roles require valid values to perform their intended functions.
ARIA toggle fields have accessible names
Generic names are announced to users of assistive technologies, like a screen reader, when a toggle field does not have an accessible name specified.
ARIA `tooltip` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
ARIA `treeitem` elements have accessible names
Without accessible names on elements, screen readers will default to announcing a generic name, which means your content will be less accessible to users who rely on screen readers.
`[aria-*]` attributes have valid values
ARIA attributes cannot be interpreted with invalid values when used by screen readers and other assistive technologies.
`[aria-*]` attributes are valid and not misspelled
ARIA attributes cannot be interpreted with invalid names when used by screen readers and other assistive technologies.
ARIA IDs are unique
Ensure all ARIA ID values are unique to prevent elements from being overlooked by assistive technologies, like a screen reader.

Names and labels

Buttons have an accessible name
Buttons become unusable as they are announced simply as "button" when the button does not have an accessible name, when used by screen readers and other assistive technologies.
Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
No form fields have multiple labels
Having multiple labels for form fields can be confusing to assistive technologies, like a screen reader.
`<frame>` or `<iframe>` elements have a title
Screen reader users and other assistive technology users rely on frame titles to describe the contents of frames.
`<input type="image">` elements have `[alt]` text
Input buttons with alternative text assist screen readers and other assistive technology users to understand its purpose.
Form elements have associated labels
Screen readers and other assistive technologies rely on labels to properly announce form controls.
`<object>` elements have `[alt]` text
It is advised that alt text is used on '<object>' elements in order to provide meaning to screen reader and other assistive technology users, as these technologies are unable to translate non-text content.

Tables and lists

`<dl>`'s contain only properly-ordered `<dt>` and `<dd>` groups, `<script>`, `<template>` or `<div>` elements.
Screen readers and other assistive technologies may produce poor and inaccurate output when definition lists are not properly marked up.
Definition list items are wrapped in `<dl>` elements
In order for screen readers and other assistive technologies to properly announce definition list items ('<dt>' and '<dd>'), they must be wrapped in parent a '<dl>' element.
List items (`<li>`) are contained within `<ul>` or `<ol>` parent elements
In order for screen readers to announce list items, ensure that list items ('<li>') are contained within parent '<ul>' or '<ol>' tags.
Cells in a `<table>` element that use the `[headers]` attribute refer to table cells within the same table.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that '<td>' cells using the headers attribute only refer to other cells in the same table, to improve screen reader user experience.
`<th>` elements and elements with `[role="columnheader"/"rowheader"]` have data cells they describe.
Screen readers and other assistive technologies have features to make navigating tables easier. Ensure that table headers refer to some set of cells, to improve screen reader user experience.

Internationalization and localization

`<html>` element has a `[lang]` attribute
It is advised to provide a lang attribute so that screen readers and other assistive technologies are guaranteed to announce the page's text correctly. When not provided, the user's default language setting will be used which may cause inaccuracies.
`<html>` element has a valid value for its `[lang]` attribute
Specify a valid BCP 47 language in order to help screen readers and other assistive technologies announce text properly.
`[lang]` attributes have a valid value
Specify a valid BCP 47 language on elements in order to help screen readers and other assistive technologies announce text properly.

Best practices

The document does not use `<meta http-equiv="refresh">`
Pages that refresh automatically cause a poor user experience as focus is directed back to the top of the page unexpectedly.

Audio and video

`<video>` elements contain a `<track>` element with `[kind="captions"]`
Tainghe.com.vn may provide assistance to deaf or hearing-impaired users with captions on videos.

Contrast

Background and foreground colors do not have a sufficient contrast ratio.
Many (if not most) users find low-contrast text difficult or impossible to read.
Failing Elements

Navigation

Heading elements are not in a sequentially-descending order
Properly order all headers and do not skip heading levels to better the navigation and readability for users of assistive technologies, like a screen reader.
Failing Elements

Names and labels

Tables and lists

Lists do not contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).
Use proper list structure to aid screen readers and other assistive technologies.
Failing Elements

Best practices

`[user-scalable="no"]` is used in the `<meta name="viewport">` element or the `[maximum-scale]` attribute is less than 5.
For users with low vision who rely on screen magnification, ensure that zooming is not disabled.
Failing Elements

Manual Checks

The page has a logical tab order
The visual layout should be logical in its tab order and users cannot focus elements that are offscreen.
Interactive controls are keyboard focusable
Ensure that custom interactive controls are keyboard focusable and that a focus indicator is displayed.
Interactive elements indicate their purpose and state
Ensure that interactive elements (such as links and buttons) are distinguishable from non-interactive elements and that they indicate their state.
The user's focus is directed to new content added to the page
When new content (such as a dialogue) is added to the page, the user's focus should be directed to it.
User focus is not accidentally trapped in a region
Avoid focus being accidentally trapped when a user tabs in and out of controls or regions on page.
Custom controls have associated labels
Ensure that custom interactive controls have associated labels, which are provided by aria-label and aria-labelledby attributes.
Custom controls have ARIA roles
Ensure that all custom interactive controls have appropriate ARIA roles.
Visual order on the page follows DOM order
Ensure that the DOM order matches with the page's visual order, in order to improve navigation for screen readers and other assistive technologies.
Offscreen content is hidden from assistive technology
Ensure that offscreen content is hidden through the use of "display:none" styling or the aria-hidden attribute.
HTML5 landmark elements are used to improve navigation
Elements such as <main> and <nav> are recommended as they are used by screen readers and other assistive technologies to improve keyboard navigation.
67

Best Practices

Indicates the recommended, best practices currently in place on the page and highlights the best practices that tainghe.com.vn should incorporate. This includes practices such as protecting pages with HTTPS.

Audits

Avoids requesting the geolocation permission on page load
When requesting a user's location, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Avoids requesting the notification permission on page load
When requesting permission to send notifications, provide context or consider tying the request to a user action to avoid confusion and mistrust from users.
Ensure CSP is effective against XSS attacks
Significantly reduce the risk of cross-site scripting attacks (XSS) by ensuring you have a strong Content Security Policy (CSP).
Description Directive Severity
No CSP found in enforcement mode
High

Audits

Allows users to paste into password fields
Ensure that password inputs may be pasted into to aid in the user's ability to use password managers and improve security.
Fonts with `font-display: optional` are preloaded
It is recommended that optional fonts are preloaded.

Audits

Page has the HTML doctype
Ensure a doctype is specified to prevent the browser from switching to quirks-mode.
Properly defines charset
It is advised to declare a character encoding, optionally via a <meta> tag in the first 1024 bytes of the HTML or in the Content-Type HTTP response header.

Audits

Avoids `unload` event listeners
The 'unload' event does not fire reliably, causing issues with browser optimizations such as the Back-Forward Cache. It is recommended that 'pagehide' or 'visibilitychange' events are used instead.
Avoids Application Cache
Application cache is deprecated and is no longer recommended.
Detected JavaScript libraries
Below is a list of all front-end JavaScript libraries that were detected on the page.
Name Version
jQuery
2.1.1
Lo-Dash
4.17.4
Avoids deprecated APIs
Avoid deprecated APIs which will eventually be removed the browser.
No browser errors logged to the console
Below is a list of all errors logged to the console, which indicate unresolved problems on the site.
Page has valid source maps
Consider deploying source maps for added benefits such as the ability to debug while in production.
No issues in the `Issues` panel in Chrome Devtools
There may be unresolved issues logged to Chrome Devtools.

Audits

Does not use HTTPS — 1 insecure request found
Ensure that all pages are protected with HTTPS (including those that do not handle sensitive data) as HTTPS prevents tampering and passive listening on communications between the app and its users. Additionally, HTTPS is a prerequisite for HTTP/2 and many new web platform APIs.
Insecure URL Request Resolution
http://tainghe.com.vn/
Allowed
Links to cross-origin destinations are unsafe
Improve performance and prevent security vulnerabilities by adding rel="noopener" and rel="noreferrer" to external links.
Includes front-end JavaScript libraries with known security vulnerabilities — 13 vulnerabilities detected
Ensure that the use of third-party scripts is minimal and that only trusted third-party scripts are used as some may contain known security vulnerabilities which may be exploited by attackers.
Library Version Vulnerability Count Highest Severity
4
Medium
9
High

Audits

Displays images with incorrect aspect ratio
Ensure that image display dimensions match their natural aspect ratio.
URL Aspect Ratio (Displayed) Aspect Ratio (Actual)
https://tainghe.com.vn/media/banner/17_May7151184986aed9f8f418938930271d37.jpg
340 x 153 (2.22)
2898 x 1125 (2.58)
https://tainghe.com.vn/media/banner/17_May794cdb9c73f8c687c66ee249c67e263a.jpg
340 x 153 (2.22)
1932 x 750 (2.58)
https://tainghe.com.vn/media/banner/17_Jul5be41ccebfeefb5f59b6896f170a699f.png
340 x 153 (2.22)
1405 x 653 (2.15)
https://tainghe.com.vn/media/banner/08_Julb39908d9b051dec5728f02501357224e.jpg
340 x 153 (2.22)
1031 x 400 (2.58)
https://tainghe.com.vn/media/banner/20_Jul7be5d79c0876c7323d7731aac6b141ac.png
340 x 153 (2.22)
966 x 375 (2.58)
https://tainghe.com.vn/media/banner/30_Juna7564b4b8c7d51fadc4a3238d53e8800.png
340 x 153 (2.22)
966 x 375 (2.58)
https://tainghe.com.vn/media/product/250_2982_andromeda_2020_01_webpage_image_1400x1400.jpg
135 x 125 (1.08)
251 x 250 (1.00)
https://tainghe.com.vn/media/product/250_3380_2571_jpg.jpg
135 x 125 (1.08)
251 x 250 (1.00)
https://tainghe.com.vn/media/product/250_2983_solaris_2020_01_ws.jpg
135 x 125 (1.08)
250 x 250 (1.00)
https://tainghe.com.vn/media/product/250_3270_dorado_2020_web_1.jpg
135 x 125 (1.08)
250 x 250 (1.00)
https://tainghe.com.vn/media/product/250_3417_3.jpg
135 x 125 (1.08)
250 x 250 (1.00)
https://tainghe.com.vn/media/product/250_2546_2020_6359765_sd.jpg
135 x 125 (1.08)
250 x 250 (1.00)
https://tainghe.com.vn/media/product/250_1688-01.jpg
135 x 125 (1.08)
250 x 250 (1.00)
https://tainghe.com.vn/media/product/250_2547_r3_pro.jpg
135 x 125 (1.08)
250 x 250 (1.00)
https://tainghe.com.vn/media/product/250_3205_1_c8530253_8b43_4bf1_aee2_e5430699bfa7_1500x_gigapixel.jpg
135 x 125 (1.08)
250 x 250 (1.00)
https://tainghe.com.vn/media/product/250_2531_xuanvu_shanling_m6.jpg
135 x 125 (1.08)
250 x 250 (1.00)
https://tainghe.com.vn/media/product/250_3326_r5s_1_1500x.jpg
135 x 125 (1.08)
250 x 250 (1.00)
https://tainghe.com.vn/media/product/250_3009_untitled.png
135 x 125 (1.08)
250 x 250 (1.00)
https://tainghe.com.vn/media/product/250_2496_xuanvu_ibasso_dx160_1.jpg
135 x 125 (1.08)
250 x 250 (1.00)
https://tainghe.com.vn/media/product/250_2290_gr_gdfbgdsfgdsh_dsgdfshdsfgdfsgdfh_dfhds_gdgd.jpg
135 x 125 (1.08)
250 x 245 (1.02)
https://tainghe.com.vn/media/product/250_2675_71t_irwn3tl__ac_sl1500_.jpg
135 x 125 (1.08)
240 x 250 (0.96)
https://tainghe.com.vn/media/product/250_2895_715kqyhte8l__ac_sl1500_.jpg
135 x 125 (1.08)
220 x 250 (0.88)
https://tainghe.com.vn/media/product/250_2581_5.jpg
135 x 125 (1.08)
250 x 194 (1.29)
https://tainghe.com.vn/media/product/250_3019_moondrop_ssr_green.png
135 x 125 (1.08)
250 x 194 (1.29)
https://tainghe.com.vn/media/product/250_2474_727eb8deb1db4c8515ca.jpg
135 x 125 (1.08)
250 x 178 (1.40)
https://tainghe.com.vn/media/product/250_2670_capture.PNG
135 x 125 (1.08)
250 x 167 (1.50)
https://tainghe.com.vn/media/news/120_990_11225498.jpg
100 x 57 (1.75)
150 x 82 (1.83)
https://tainghe.com.vn/media/news/120_992_sydney_skyline_facebook_ad__1_.jpg
100 x 57 (1.75)
150 x 79 (1.90)
https://tainghe.com.vn/template/default/images/icon-mobile.png
44 x 36 (1.22)
55 x 36 (1.53)
Serves images with low resolution
For maximum image clarity, ensure images have natural dimensions and are proportional to the display size and pixel ratio.
URL Displayed size Actual size Expected size
https://tainghe.com.vn/template/default/images/icon-mobile.png
44 x 36
55 x 36
88 x 72
91

SEO

Indicates how well the page is optimized for ranking in search engines and highlights Search Engine Optimization (SEO) opportunities for tainghe.com.vn. This includes optimizations such as providing meta data.

Mobile Friendly

Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of tainghe.com.vn on mobile screens.
Document uses legible font sizes — 100% legible text
Font sizes of 12px or less are too small to most mobile users without user gestures and further action. Aim for more than 60% of page text to use font sizes greater than 12px.
Source Selector % of Page Text Font Size
100.00%
≥ 12px

Content Best Practices

Document has a `<title>` element
Search engines, screen reader users and other assistive technology users rely on the title to provide an overview of the page and to help determine if the page is relevant to their search.
Document has a meta description
Meta descriptions may be used by search engines when displaying a link to the page and should concisely summarize the page's content.
Links have descriptive text
Make use of descriptive link text to assist search engines in understanding the content.
Document has a valid `hreflang`
Search engines can be instructed to list specific versions of a page for a given language or region through the use of hreflang links.
Document has a valid `rel=canonical`
Search engines can be suggested which URL should be shown in search results through the use of canonical links.
Document avoids plugins
The content of plugins cannot be indexed by search engines and many devices either restrict or do not support them.

Crawling and Indexing

Page has successful HTTP status code
Avoid pages with unsuccessful HTTP status codes as they may not be indexed by search engines.
Links are crawlable
Ensure that the 'href' attribute of anchor elements links to the appropriate destination. This allows for more pages of the site to be discovered by search engines.
Page isn’t blocked from indexing
Pages that cannot be crawled by search engines cannot be indexed or included in their search results. Ensure that search engines have permission to crawl all pages that should be indexed.
robots.txt is valid
Malformed robots.txt files prevent crawlers from understanding how a site wants to be crawled or indexed, which can be devastating to SEO.

Mobile Friendly

Tap targets are not sized appropriately — 90% appropriately sized tap targets
Interactive elements (such as buttons and links) should be appropriately spaced, sized and easy enough to select or tap with regard to their surrounding elements.
Tap Target Size Overlapping Target
73x16
73x16
133x16
145x16
137x16
141x16

Content Best Practices

Manual Checks

Structured data is valid
Structured data can be validated through the use of the Structured Data Testing Tool and the Structured Data Linter.
42

Progressive Web App

Indicates how valid the aspects of a Progressive Web App (PWA) are for the page and highlights opportunities to enable/improve the PWA of tainghe.com.vn. This includes details about web app manifests.

PWA Optimized

Redirects HTTP traffic to HTTPS
It is advised to redirect all HTTP traffic to HTTPS, in order to enable secure web features for all users.
Content is sized correctly for the viewport
Ensure that the width of the app's content matches the width of the viewport, otherwise the app might not be optimized for mobile screens.
Has a `<meta name="viewport">` tag with `width` or `initial-scale`
It is advised to use a '<meta name="viewport">' tag for the optimization of tainghe.com.vn on mobile screens.

Installable

Web app manifest or service worker do not meet the installability requirements — 1 reason
User engagement may be increased by leveraging the browsers ability to proactively prompt users to add the app to their homescreen.
Failure reason
No manifest was fetched

PWA Optimized

Does not register a service worker that controls page and `start_url`
A service worker is used to provide Progressive Web Apps the use of features such as working offline, the ability for the app to be added to the homescreen as well as push notifications.
Is not configured for a custom splash screen
Themed splash screens ensure a high-quality user experience at launch for app users.
View Data
Does not set a theme color for the address bar.
A theme may be applied to the browser address bar, which ideally can be made to match the site.
View Data
Does not provide a valid `apple-touch-icon`
iOS users of Progressive Web Apps will benefit from an apple touch icon, which can be defined with 'apple-touch-icon', which must point to a non-transparent 192px (or 180px) square PNG.
Manifest doesn't have a maskable icon
Maskable icons are great to ensure that images fill the entire shape when installing the app on a device.

Manual Checks

Site works cross-browser
Ensure that the Progressive Web App works correctly across every major browser.
Page transitions don't feel like they block on the network
Users perceive apps with responsive, snappy transitions as higher peforming and ensures a great user experience, even on a slow network.
Each page has a URL
Ensure that all pages are deep linkable via URL. They should also be unique for the purpose of shareability on social media.
Hosting

Server Location

Server IP Address: 172.67.214.58
Continent: North America
Country: United States
United States Flag
Region:
City:
Longitude: -97.822
Latitude: 37.751
Currencies: USD
USN
USS
Languages: English

Web Hosting Provider

Name IP Address
Cloudflare, Inc.
Registration

Domain Registrant

Private Registration: No
Name:
Organization: Cloudflare, Inc.
Country: US
City: wafangdian
State: District of Columbia
Post Code:
Email:
Phone:
Note: Registration information is derived from various sources and may be inaccurate.

Domain Registrar

Security

Visitor Safety

Mature Content: Not Likely
McAfee WebAdvisor Rating: Safe
WOT Rating:
WOT Trustworthiness:
WOT Child Safety:
Note: Safety information is not guaranteed.

SSL/TLS Certificate

Issued To: sni.cloudflaressl.com
Issued By: Cloudflare Inc ECC CA-3
Valid From: 14th July, 2021
Valid To: 13th July, 2022
Subject: CN = sni.cloudflaressl.com
O = Cloudflare, Inc.
L = San Francisco
S = US
Hash: c959965e
Issuer: CN = Cloudflare Inc ECC CA-3
O = Cloudflare, Inc.
S = US
Version: 2
Serial Number: 2525403252484227245023743840053016854
Serial Number (Hex): 01E65FFE55354FBE93A371E6AE8AB916
Valid From: 14th July, 2024
Valid To: 13th July, 2024
Signature Algorithm (Short Name): ecdsa-with-SHA256
Signature Algorithm (Long Name): ecdsa-with-SHA256
Authority Key Identifier: keyid:A5:CE:37:EA:EB:B0:75:0E:94:67:88:B4:45:FA:D9:24:10:87:96:1F
Extended Key Usage: TLS Web Server Authentication, TLS Web Client Authentication
CRL Distribution Points:
Full Name:
URI:http://crl3.digicert.com/CloudflareIncECCCA-3.crl

Full Name:
URI:http://crl4.digicert.com/CloudflareIncECCCA-3.crl

Certificate Policies: Policy: 2.23.140.1.2.2
CPS: http://www.digicert.com/CPS

Authority Information Access: OCSP - URI:http://ocsp.digicert.com
CA Issuers - URI:http://cacerts.digicert.com/CloudflareIncECCCA-3.crt

SCT List: Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 29:79:BE:F0:9E:39:39:21:F0:56:73:9F:63:A5:77:E5:
BE:57:7D:9C:60:0A:F8:F9:4D:5D:26:5C:25:5D:C7:84
Timestamp : Jul 14 14:14:00.245 2021 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:44:02:20:41:7A:6A:E3:9B:AD:ED:04:B0:98:15:AA:
98:2E:67:DC:10:02:62:E3:E0:DF:E5:4D:A3:EA:CE:7A:
92:00:52:83:02:20:53:FD:E6:AD:61:20:7B:15:6B:B8:
96:C4:FE:10:AC:DA:A4:14:05:C2:E4:D0:76:9E:78:B1:
C0:4C:5B:37:A7:2D
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 51:A3:B0:F5:FD:01:79:9C:56:6D:B8:37:78:8F:0C:A4:
7A:CC:1B:27:CB:F7:9E:88:42:9A:0D:FE:D4:8B:05:E5
Timestamp : Jul 14 14:14:00.343 2021 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:37:F1:19:B1:A5:DA:CB:04:B6:EC:F8:17:
F3:F9:EF:73:83:C7:90:36:99:D9:05:3C:EC:19:74:07:
EC:B7:CF:A0:02:21:00:B9:29:F4:E5:25:F4:F7:30:5A:
01:C5:B0:3B:DA:65:21:6F:12:D9:1E:4C:CF:0E:D1:7D:
95:7A:D5:5F:2A:8E:9D
Signed Certificate Timestamp:
Version : v1 (0x0)
Log ID : 41:C8:CA:B1:DF:22:46:4A:10:C6:A1:3A:09:42:87:5E:
4E:31:8B:1B:03:EB:EB:4B:C7:68:F0:90:62:96:06:F6
Timestamp : Jul 14 14:14:00.235 2021 GMT
Extensions: none
Signature : ecdsa-with-SHA256
30:45:02:20:7B:55:9A:06:1D:3A:64:10:63:9A:3E:14:
C1:27:17:96:33:5D:55:E3:7D:42:87:F1:F6:90:7E:FE:
93:60:C4:CD:02:21:00:F4:34:D0:3A:9F:D8:82:0C:71:
96:4E:7B:7E:7B:59:F0:6D:0F:3D:23:48:ED:07:DE:E4:
D5:93:FD:57:01:E7:94
Key Usage: Digital Signature
Basic Constraints: CA:FALSE
Subject Alternative Name: DNS:*.tainghe.com.vn
DNS:tainghe.com.vn
DNS:sni.cloudflaressl.com
Technical

DNS Lookup

HTTP Response Headers

HTTP-Code: HTTP/1.1 301 Moved Permanently
Date: 2nd September, 2021
Content-Type: text/html; charset=UTF-8
expires: 19th November, 1981
cache-control: no-store, no-cache, must-revalidate
Server: cloudflare
Connection: keep-alive
x-powered-by: PHP/7.0.31
x-frame-options: deny
set-cookie: *
pragma: no-cache
location: https://tainghe.com.vn/
CF-Cache-Status: DYNAMIC
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report\/v3?s=I9TVWG0JQhjgby1GAUfah9kovgCu%2FpXE31lGHqYPMkFWKsO9Z5K%2FYYvzyYVj8cwrP5qdXYKg8yErtsDh7Upyj6K3U0iCP1NjSivJTI0BfsKoY6LCzNn%2BjxF31sqzeIMPjA%3D%3D"}],"group":"cf-nel","max_age":604800}
NEL: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
CF-RAY: 6882996ffa3df060-EWR
alt-svc: h3-27=":443"; ma=86400, h3-28=":443"; ma=86400, h3-29=":443"; ma=86400, h3=":443"; ma=86400

Whois Lookup

Created:
Changed:
Expires:
Status:
Nameservers:
Full Whois: tainghe.com.vn domain is not supported

Nameservers

Related

Subdomains

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Domain Valuation Snoop Score
0/5
0/5

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Domain Valuation Snoop Score
0/5
$599 USD 1/5