Report Summary

  • 56

    Performance

    Renders faster than
    73% of other websites

  • 55

    Accessibility

    Visual factors better than
    that of 23% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

czls.cooco.net.cn

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Page Load Speed

47.9 sec in total

First Response

12.4 sec

Resources Loaded

34.6 sec

Page Rendered

879 ms

czls.cooco.net.cn screenshot

About Website

Welcome to czls.cooco.net.cn homepage info - get ready to check Czls Cooco best content for China right away, or after learning these important things about czls.cooco.net.cn

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Visit czls.cooco.net.cn

Key Findings

We analyzed Czls.cooco.net.cn page load time and found that the first response time was 12.4 sec and then it took 35.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

czls.cooco.net.cn performance score

56

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value3.4 s

67/100

25%

SI (Speed Index)

Value5.9 s

47/100

10%

TBT (Total Blocking Time)

Value1,030 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0.03

100/100

15%

TTI (Time to Interactive)

Value4.5 s

82/100

10%

Network Requests Diagram

czls.cooco.net.cn

12402 ms

innerstyle.css

4413 ms

prototype.js

7076 ms

cooco0.01.css

4254 ms

adsbygoogle.js

144 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Czls.cooco.net.cn, 29% (10 requests) were made to Static.cooco.net.cn and 17% (6 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (20.1 sec) relates to the external source Static.cooco.net.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 106.6 kB (39%)

Content Size

276.4 kB

After Optimization

169.8 kB

In fact, the total size of Czls.cooco.net.cn main page is 276.4 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. 35% of websites need less resources to load. Javascripts take 153.4 kB which makes up the majority of the site volume.

HTML Optimization

-70%

Potential reduce by 19.2 kB

  • Original 27.5 kB
  • After minification 26.5 kB
  • After compression 8.4 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. 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 19.2 kB or 70% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 68.5 kB
  • After minification 68.5 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. Czls Cooco images are well optimized though.

JavaScript Optimization

-43%

Potential reduce by 66.0 kB

  • Original 153.4 kB
  • After minification 139.6 kB
  • After compression 87.4 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 66.0 kB or 43% of the original size.

CSS Optimization

-80%

Potential reduce by 21.4 kB

  • Original 27.0 kB
  • After minification 20.3 kB
  • After compression 5.5 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. Czls.cooco.net.cn needs all CSS files to be minified and compressed as it can save up to 21.4 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 21 (64%)

Requests Now

33

After Optimization

12

The browser has sent 33 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Czls Cooco. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 14 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

czls.cooco.net.cn accessibility score

55

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

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

czls.cooco.net.cn best practices score

83

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

SEO Factors

czls.cooco.net.cn SEO score

92

Search Engine Optimization Advices

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Czls.cooco.net.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 Czls.cooco.net.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 Czls Cooco. 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: