Report Summary

  • 67

    Performance

    Renders faster than
    80% of other websites

  • 42

    Accessibility

    Visual factors better than
    that of 18% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

cnad.com.cn

温馨提示

Page Load Speed

49.9 sec in total

First Response

5.6 sec

Resources Loaded

44 sec

Page Rendered

306 ms

cnad.com.cn screenshot

About Website

Visit cnad.com.cn now to see the best up-to-date Cnad content and also check out these interesting facts you probably never knew about cnad.com.cn

腾讯云域名注册, 腾讯云旗下品牌。腾讯云域名注册是中国领先的域名注册服务提供商, 并提供云主机、网站建设等网络服务。

Visit cnad.com.cn

Key Findings

We analyzed Cnad.com.cn page load time and found that the first response time was 5.6 sec and then it took 44.3 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there were 2 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

cnad.com.cn performance score

67

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value4.0 s

49/100

25%

SI (Speed Index)

Value6.0 s

47/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.27

45/100

15%

TTI (Time to Interactive)

Value3.8 s

89/100

10%

Network Requests Diagram

cnad.com.cn

5561 ms

style.css

5016 ms

jquery.js

19810 ms

main.js

1601 ms

ant.fade.js

1762 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 73% of them (38 requests) were addressed to the original Cnad.com.cn, 10% (5 requests) were made to Kft.zoosnet.net and 6% (3 requests) were made to Pub.idqqimg.com. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain Cnad.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 91.6 kB (33%)

Content Size

279.4 kB

After Optimization

187.8 kB

In fact, the total size of Cnad.com.cn main page is 279.4 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. 15% of websites need less resources to load. Images take 172.9 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 43.9 kB

  • Original 53.5 kB
  • After minification 49.8 kB
  • After compression 9.6 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 43.9 kB or 82% of the original size.

Image Optimization

-4%

Potential reduce by 7.4 kB

  • Original 172.9 kB
  • After minification 165.5 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. Cnad images are well optimized though.

JavaScript Optimization

-75%

Potential reduce by 27.8 kB

  • Original 37.0 kB
  • After minification 30.9 kB
  • After compression 9.2 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 27.8 kB or 75% of the original size.

CSS Optimization

-78%

Potential reduce by 12.5 kB

  • Original 16.0 kB
  • After minification 14.3 kB
  • After compression 3.5 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. Cnad.com.cn needs all CSS files to be minified and compressed as it can save up to 12.5 kB or 78% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (20%)

Requests Now

44

After Optimization

35

The browser has sent 44 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cnad. 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 as a result speed up the page load time.

Accessibility Review

cnad.com.cn accessibility score

42

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

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>).

High

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

Best Practices

cnad.com.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

cnad.com.cn SEO score

58

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

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cnad.com.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 Cnad.com.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 description is not detected on the main page of Cnad. 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: