Tools & Wizards About Us

Report Summary

  • 39

    Performance

    Renders faster than
    58% of other websites

  • 65

    Accessibility

    Visual factors better than
    that of 30% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

cctv4asia.cntv.cn

CCTV-4中文国际亚洲频道节目官网_CCTV节目官网_央视网

Page Load Speed

2.8 sec in total

First Response

164 ms

Resources Loaded

2.3 sec

Page Rendered

354 ms

About Website

Click here to check amazing CCTV 4asia Cntv content for China. Otherwise, check out these important facts you probably never knew about cctv4asia.cntv.cn

中国中央电视台中文国际频道（CCTV-4）是中央电视台唯一一个面向全球播出的中文频道。目标观众是全球华人，特别是居住在海外的华人、华侨以及港、澳、台同胞。

Visit cctv4asia.cntv.cn

Key Findings

We analyzed Cctv4asia.cntv.cn page load time and found that the first response time was 164 ms and then it took 2.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

cctv4asia.cntv.cn performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value7.1 s

30/100

10%

TBT (Total Blocking Time)

Value530 ms

56/100

30%

CLS (Cumulative Layout Shift)

Value0.047

99/100

15%

TTI (Time to Interactive)

Value9.1 s

33/100

10%

Network Requests Diagram

cctv4asia.cntv.cn

164 ms

231 ms

stylepindao.css

33 ms

jquery-1.7.2.min.js

38 ms

swiper4.min.js

77 ms

Our browser made a total of 172 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Cctv4asia.cntv.cn, 26% (44 requests) were made to P1.img.cctvpic.com and 20% (35 requests) were made to P2.img.cctvpic.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Time.tv.cctv.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 478.2 kB (23%)

Content Size

2.1 MB

After Optimization

1.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cctv4asia.cntv.cn main page is 2.1 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. 70% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.

HTML Optimization

-83%

Potential reduce by 222.2 kB

  • Original 269.1 kB
  • After minification 262.2 kB
  • After compression 46.9 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. HTML code on this page is well minified. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 222.2 kB or 83% of the original size.

Image Optimization

-3%

Potential reduce by 41.3 kB

  • Original 1.3 MB
  • After minification 1.3 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. CCTV 4asia Cntv images are well optimized though.

JavaScript Optimization

-45%

Potential reduce by 203.9 kB

  • Original 457.9 kB
  • After minification 448.8 kB
  • After compression 254.0 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 203.9 kB or 45% of the original size.

CSS Optimization

-33%

Potential reduce by 10.8 kB

  • Original 32.7 kB
  • After minification 32.7 kB
  • After compression 21.9 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. Cctv4asia.cntv.cn needs all CSS files to be minified and compressed as it can save up to 10.8 kB or 33% of the original size.

Requests Breakdown

Number of requests can be reduced by 44 (26%)

Requests Now

170

After Optimization

126

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 170 CSS, Javascripts, AJAX and image requests in order to completely render the main page of CCTV 4asia Cntv. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 33 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

cctv4asia.cntv.cn accessibility score

65

Accessibility Issues

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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>).

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

cctv4asia.cntv.cn 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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

cctv4asia.cntv.cn SEO score

83

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

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cctv4asia.cntv.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it does not match the claimed English language. Our system also found out that Cctv4asia.cntv.cn 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 CCTV 4asia Cntv. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: