Tools & Wizards About Us
tancuong.vn screenshot

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 64

    Accessibility

    Visual factors better than
    that of 29% of websites

  • 50

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    23% of websites

tancuong.vn

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Page Load Speed

4.8 sec in total

First Response

929 ms

Resources Loaded

3.7 sec

Page Rendered

167 ms

tancuong.vn screenshot

About Website

Welcome to tancuong.vn homepage info - get ready to check Tancuong best content for Vietnam right away, or after learning these important things about tancuong.vn

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Visit tancuong.vn

Key Findings

We analyzed Tancuong.vn page load time and found that the first response time was 929 ms and then it took 3.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

tancuong.vn performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

50/100

10%

LCP (Largest Contentful Paint)

Value12.2 s

0/100

25%

SI (Speed Index)

Value7.1 s

31/100

10%

TBT (Total Blocking Time)

Value370 ms

71/100

30%

CLS (Cumulative Layout Shift)

Value0.311

37/100

15%

TTI (Time to Interactive)

Value9.2 s

32/100

10%

Network Requests Diagram

tancuong.vn

929 ms

jquery.min.js

22 ms

stylefont.min.css

1241 ms

font-awesome.min.css

1010 ms

carousel.min.css

1026 ms

Our browser made a total of 29 requests to load all elements on the main page. We found that 79% of them (23 requests) were addressed to the original Tancuong.vn, 7% (2 requests) were made to Google-analytics.com and 7% (2 requests) were made to Connect.facebook.net. The less responsive or slowest element that took the longest time to load (2.8 sec) belongs to the original domain Tancuong.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 59.2 kB (3%)

Content Size

1.7 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Tancuong.vn main page is 1.7 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 24.8 kB

  • Original 31.6 kB
  • After minification 28.3 kB
  • After compression 6.8 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 3.4 kB, which is 11% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 24.8 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 25.2 kB

  • Original 1.6 MB
  • After minification 1.5 MB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Tancuong images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 2.0 kB

  • Original 62.3 kB
  • After minification 62.1 kB
  • After compression 60.4 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. This website has mostly compressed JavaScripts.

CSS Optimization

-20%

Potential reduce by 7.1 kB

  • Original 36.4 kB
  • After minification 36.4 kB
  • After compression 29.2 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Tancuong.vn needs all CSS files to be minified and compressed as it can save up to 7.1 kB or 20% of the original size.

Requests Breakdown

Number of requests can be reduced by 8 (32%)

Requests Now

25

After Optimization

17

  • Images
  • JavaScript
  • CSS

The browser has sent 25 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tancuong. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

tancuong.vn

tancuong.vn

929 ms

jquery.min.js

jquery.min.js

22 ms

stylefont.min.css

stylefont.min.css

1241 ms

font-awesome.min.css

font-awesome.min.css

1010 ms

carousel.min.css

carousel.min.css

1026 ms

dashboard.css

dashboard.css

1030 ms

logo.png

logo.png

1035 ms

arrow.png

arrow.png

1048 ms

banner-0.jpg

banner-0.jpg

2762 ms

amply-karaoke.jpg

amply-karaoke.jpg

1526 ms

K9900.3.jpg

K9900.3.jpg

1530 ms

power.jpg

power.jpg

1543 ms

micro.jpg

micro.jpg

1824 ms

loa_1.jpg

loa_1.jpg

1976 ms

dan-karaoke.jpg

dan-karaoke.jpg

2530 ms

dan-nghe-nhac.jpg

dan-nghe-nhac.jpg

2283 ms

dan-xem-phim.jpg

dan-xem-phim.jpg

2307 ms

amply_1.jpg

amply_1.jpg

2084 ms

P8%20NEN.jpg

P8%20NEN.jpg

2222 ms

bootstrap.min.js

bootstrap.min.js

2340 ms

dashboard.js

dashboard.js

2464 ms

jquery-latest.pack.js

jquery-latest.pack.js

158 ms

ga.js

ga.js

7 ms

bgleft_menu.jpg

bgleft_menu.jpg

1285 ms

__utm.gif

__utm.gif

12 ms

glyphicons-halflings-regular.woff

glyphicons-halflings-regular.woff

1283 ms

sdk.js

sdk.js

12 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

249 ms

sdk.js

sdk.js

4 ms

Accessibility Review

tancuong.vn accessibility score

64

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

ARIA input fields do not have accessible names

High

Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

tancuong.vn best practices score

50

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

tancuong.vn SEO score

62

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

Language and Encoding

  • Language Detected

    VI

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tancuong.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Tancuong.vn main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

tancuong.vn

Open Graph description is not detected on the main page of Tancuong. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: