Tools & Wizards About Us

Report Summary

  • 17

    Performance

    Renders faster than
    32% of other websites

  • 76

    Accessibility

    Visual factors better than
    that of 42% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

video.vietnamnet.vn

Video clip thời sự, thể thao, giải trí hot nhất trong ngày | Báo VietNamNet

Page Load Speed

15.7 sec in total

First Response

841 ms

Resources Loaded

14.5 sec

Page Rendered

309 ms

About Website

Welcome to video.vietnamnet.vn homepage info - get ready to check Video Viet Nam Net best content for Vietnam right away, or after learning these important things about video.vietnamnet.vn

VietNamNet tổng hợp các video clip hot nhất trong ngày, video thời sự, thể thao, giải trí, thế giới 24h qua.

Visit video.vietnamnet.vn

Key Findings

We analyzed Video.vietnamnet.vn page load time and found that the first response time was 841 ms and then it took 14.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

video.vietnamnet.vn performance score

17

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.6 s

2/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value24.8 s

0/100

10%

TBT (Total Blocking Time)

Value4,510 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value38.9 s

0/100

10%

Network Requests Diagram

video.vietnamnet.vn

841 ms

video

1932 ms

jquerymin-9.js

2126 ms

css-9104c5c9b8ef4944903bff1d600241e6-desktop-45-24.css

2669 ms

vnnrootconfig-2.js

1349 ms

Our browser made a total of 132 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Video.vietnamnet.vn, 43% (57 requests) were made to Static.mediacdn.vn and 21% (28 requests) were made to Mic.mediacdn.vn. The less responsive or slowest element that took the longest time to load (6.1 sec) relates to the external source Static-images.vnncdn.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.7 MB (51%)

Content Size

3.4 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Video.vietnamnet.vn main page is 3.4 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. 65% of websites need less resources to load. Javascripts take 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 56.3 kB

  • Original 66.7 kB
  • After minification 47.7 kB
  • After compression 10.4 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 19.0 kB, which is 28% 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 56.3 kB or 84% of the original size.

Image Optimization

-7%

Potential reduce by 81.5 kB

  • Original 1.1 MB
  • After minification 1.1 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. Video Viet Nam Net images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 1.1 MB

  • Original 1.6 MB
  • After minification 1.6 MB
  • After compression 508.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 1.1 MB or 69% of the original size.

CSS Optimization

-82%

Potential reduce by 452.1 kB

  • Original 550.7 kB
  • After minification 540.2 kB
  • After compression 98.6 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. Video.vietnamnet.vn needs all CSS files to be minified and compressed as it can save up to 452.1 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (25%)

Requests Now

119

After Optimization

89

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 119 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Video Viet Nam Net. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

video.vietnamnet.vn accessibility score

76

Accessibility Issues

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

Buttons do not have an accessible name

High

<frame> or <iframe> elements do not have a title

High

Links do not have a discernible name

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best Practices

video.vietnamnet.vn best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

video.vietnamnet.vn SEO score

92

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Mobile Friendly

Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).

Impact

Issue

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    VI

  • Language Claimed

    VI

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Video.vietnamnet.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it matches the claimed language. Our system also found out that Video.vietnamnet.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

Open Graph data is detected on the main page of Video Viet Nam Net. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: