Tools & Wizards About Us
vtv4.vtv.vn screenshot

Report Summary

  • 27

    Performance

    Renders faster than
    46% of other websites

  • 55

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 74

    SEO

    Google-friendlier than
    31% of websites

vtv4.vtv.vn

Ban truyền hình đối ngoại Đài truyền hình Việt Nam - VTV4

Page Load Speed

9.3 sec in total

First Response

775 ms

Resources Loaded

7.9 sec

Page Rendered

655 ms

vtv4.vtv.vn screenshot

About Website

Click here to check amazing VTV4 Vtv content for Vietnam. Otherwise, check out these important facts you probably never knew about vtv4.vtv.vn

VTV4 là kênh truyền hình duy nhất của Việt Nam có tầm phủ sóng vệ tinh toàn cầu, phục vụ cho gần 4 triệu người Việt Nam đang sống ở nước ngoài và hàng triệu khán giả trong nước.

Visit vtv4.vtv.vn

Key Findings

We analyzed Vtv4.vtv.vn page load time and found that the first response time was 775 ms and then it took 8.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

vtv4.vtv.vn performance score

27

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.8 s

0/100

10%

LCP (Largest Contentful Paint)

Value18.8 s

0/100

25%

SI (Speed Index)

Value16.8 s

0/100

10%

TBT (Total Blocking Time)

Value620 ms

48/100

30%

CLS (Cumulative Layout Shift)

Value0.129

82/100

15%

TTI (Time to Interactive)

Value24.6 s

0/100

10%

Network Requests Diagram

vtv4.vtv.vn

775 ms

vtv4.vtv.vn

1665 ms

bootstrap.css

257 ms

font-awesome.css

513 ms

ionicons.css

1263 ms

Our browser made a total of 73 requests to load all elements on the main page. We found that 93% of them (68 requests) were addressed to the original Vtv4.vtv.vn, 3% (2 requests) were made to Ovp.sohatv.vn and 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Vtv4.vtv.vn.

Page Optimization Overview & Recommendations

Page size can be reduced by 7.7 MB (50%)

Content Size

15.3 MB

After Optimization

7.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Vtv4.vtv.vn main page is 15.3 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. 60% of websites need less resources to load. Images take 14.0 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 73.9 kB

  • Original 86.4 kB
  • After minification 72.7 kB
  • After compression 12.5 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 13.6 kB, which is 16% 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 73.9 kB or 86% of the original size.

Image Optimization

-48%

Potential reduce by 6.7 MB

  • Original 14.0 MB
  • After minification 7.3 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. Obviously, VTV4 Vtv needs image optimization as it can save up to 6.7 MB or 48% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-77%

Potential reduce by 622.9 kB

  • Original 807.0 kB
  • After minification 629.9 kB
  • After compression 184.1 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 622.9 kB or 77% of the original size.

CSS Optimization

-84%

Potential reduce by 291.6 kB

  • Original 347.2 kB
  • After minification 288.8 kB
  • After compression 55.6 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. Vtv4.vtv.vn needs all CSS files to be minified and compressed as it can save up to 291.6 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (34%)

Requests Now

67

After Optimization

44

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 67 CSS, Javascripts, AJAX and image requests in order to completely render the main page of VTV4 Vtv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and from 14 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

vtv4.vtv.vn

vtv4.vtv.vn

775 ms

vtv4.vtv.vn

vtv4.vtv.vn

1665 ms

bootstrap.css

bootstrap.css

257 ms

font-awesome.css

font-awesome.css

513 ms

ionicons.css

ionicons.css

1263 ms

weather-icons.min.css

weather-icons.min.css

1011 ms

style.css

style.css

1016 ms

app-reponsive.css

app-reponsive.css

766 ms

jquery.mmenu.all.css

jquery.mmenu.all.css

768 ms

owl.carousel.css

owl.carousel.css

778 ms

owl.theme.css

owl.theme.css

1021 ms

prettify.css

prettify.css

1021 ms

bt-tab.css

bt-tab.css

1297 ms

style_epg.css

style_epg.css

1265 ms

main.65027555.css

main.65027555.css

1268 ms

js

js

45 ms

main.dc939d03.js

main.dc939d03.js

2673 ms

jquery.js

jquery.js

2040 ms

bootstrap.js

bootstrap.js

1764 ms

jquery.mmenu.min.all.js

jquery.mmenu.min.all.js

1511 ms

owl.carousel.js

owl.carousel.js

1771 ms

bootstrap.min.js

bootstrap.min.js

1552 ms

jquery.bootstrap.wizard.js

jquery.bootstrap.wizard.js

1763 ms

prettify.js

prettify.js

1811 ms

jquery.mCustomScrollbar.concat.min.js

jquery.mCustomScrollbar.concat.min.js

2016 ms

bootstrap-old.css

bootstrap-old.css

2271 ms

atrk.js

atrk.js

137 ms

embed

embed

223 ms

01.png

01.png

291 ms

flag_vn.png

flag_vn.png

288 ms

flag_en.png

flag_en.png

291 ms

logo-pc.png

logo-pc.png

290 ms

line_menu.gif

line_menu.gif

287 ms

logo.svg

logo.svg

288 ms

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801 ms

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760 ms

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1015 ms

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767 ms

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513 ms

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1037 ms

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line-header.png

769 ms

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1013 ms

B9849NHN_FAVIJA%20TOKAI%20CUP%202024%20S%C3%A2n%20ch%C6%A1i%20b%E1%BB%95%20%C3%ADch%20cho%20c%E1%BB%99ng%20%C4%91%E1%BB%93ng%20ng%C6%B0%E1%BB%9Di%20Vi%E1%BB%87t%20t%E1%BA%A1i%20Nh%E1%BA%ADt%20B%E1%BA%A3n.jpg

B9849NHN_FAVIJA%20TOKAI%20CUP%202024%20S%C3%A2n%20ch%C6%A1i%20b%E1%BB%95%20%C3%ADch%20cho%20c%E1%BB%99ng%20%C4%91%E1%BB%93ng%20ng%C6%B0%E1%BB%9Di%20Vi%E1%BB%87t%20t%E1%BA%A1i%20Nh%E1%BA%ADt%20B%E1%BA%A3n.jpg

1024 ms

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1026 ms

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1054 ms

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1529 ms

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2028 ms

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1789 ms

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1547 ms

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2086 ms

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1821 ms

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B97B61KE_Vi%E1%BB%87t%20Nam%20hoan%20ngh%C3%AAnh%20vi%E1%BB%87c%20th%C3%B4ng%20qua%20d%E1%BB%B1%20th%E1%BA%A3o%20C%C3%B4ng%20%C6%B0%E1%BB%9Bc%20LHQ%20v%E1%BB%81%20ph%C3%B2ng%20ch%E1%BB%91ng%20t%E1%BB%99i%20ph%E1%BA%A1m%20m%E1%BA%A1ng.jpeg

1783 ms

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2609 ms

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2036 ms

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2048 ms

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B96QMKTU_Ph%C3%A1t%20huy%20gi%C3%A1%20tr%E1%BB%8B%20di%20s%E1%BA%A3n%20Ho%C3%A0ng%20th%C3%A0nh%20Th%C4%83ng%20Long.jpg

2080 ms

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2282 ms

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2290 ms

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2306 ms

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2334 ms

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2345 ms

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2536 ms

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2436 ms

ionicons.ttf

ionicons.ttf

2433 ms

embed

embed

886 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

2323 ms

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2345 ms

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2506 ms

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2519 ms

logo-footer.png

logo-footer.png

2533 ms

bg-weather.png

bg-weather.png

2555 ms

line_footer.gif

line_footer.gif

2341 ms

playerInitScript.js

playerInitScript.js

1165 ms

Accessibility Review

vtv4.vtv.vn accessibility score

55

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

[role] values are not valid

High

ARIA IDs are not unique

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.

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

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

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

High

Some elements have a [tabindex] value greater than 0

Best Practices

vtv4.vtv.vn best practices score

67

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

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

vtv4.vtv.vn SEO score

74

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

High

robots.txt is not valid

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Vtv4.vtv.vn can be misinterpreted by Google and other search engines. Our service has detected that Vietnamese is used on the page, and it does not match the claimed English language. Our system also found out that Vtv4.vtv.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

vtv4.vtv.vn

Open Graph data is detected on the main page of VTV4 Vtv. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: