Tools & Wizards About Us

Report Summary

  • 84

    Performance

    Renders faster than
    88% of other websites

  • 40

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 62

    SEO

    Google-friendlier than
    22% of websites

sitemap.cntv.cn

网站地图_央视网

Page Load Speed

6.9 sec in total

First Response

1.2 sec

Resources Loaded

5.6 sec

Page Rendered

129 ms

About Website

Visit sitemap.cntv.cn now to see the best up-to-date Sitemap Cntv content for China and also check out these interesting facts you probably never knew about sitemap.cntv.cn

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Visit sitemap.cntv.cn

Key Findings

We analyzed Sitemap.cntv.cn page load time and found that the first response time was 1.2 sec and then it took 5.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

sitemap.cntv.cn performance score

84

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

65/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

67/100

25%

SI (Speed Index)

Value4.3 s

76/100

10%

TBT (Total Blocking Time)

Value70 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0.008

100/100

15%

TTI (Time to Interactive)

Value4.3 s

84/100

10%

Network Requests Diagram

sitemap.cntv.cn

1155 ms

style.css

411 ms

base.js

980 ms

page.js

414 ms

special.js

847 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 4% of them (2 requests) were addressed to the original Sitemap.cntv.cn, 29% (15 requests) were made to P5.img.cctvpic.com and 18% (9 requests) were made to Cntv.cn. The less responsive or slowest element that took the longest time to load (3.6 sec) relates to the external source P5.img.cctvpic.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 236.4 kB (66%)

Content Size

358.6 kB

After Optimization

122.2 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Sitemap.cntv.cn main page is 358.6 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Javascripts take 134.6 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 57.6 kB

  • Original 71.4 kB
  • After minification 60.4 kB
  • After compression 13.7 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 11.0 kB, which is 15% 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 57.6 kB or 81% of the original size.

Image Optimization

-24%

Potential reduce by 18.2 kB

  • Original 76.5 kB
  • After minification 58.3 kB

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, Sitemap Cntv needs image optimization as it can save up to 18.2 kB or 24% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-73%

Potential reduce by 98.6 kB

  • Original 134.6 kB
  • After minification 121.3 kB
  • After compression 36.0 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 98.6 kB or 73% of the original size.

CSS Optimization

-81%

Potential reduce by 62.0 kB

  • Original 76.1 kB
  • After minification 69.9 kB
  • After compression 14.2 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. Sitemap.cntv.cn needs all CSS files to be minified and compressed as it can save up to 62.0 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (61%)

Requests Now

49

After Optimization

19

  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sitemap 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 10 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

sitemap.cntv.cn accessibility score

40

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.

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

Form elements do not have associated labels

High

Links do not have a discernible name

Best Practices

sitemap.cntv.cn best practices score

58

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

sitemap.cntv.cn SEO score

62

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

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sitemap.cntv.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Sitemap.cntv.cn main page’s claimed encoding is gbk. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Sitemap Cntv. 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: