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cdcn.com screenshot

Report Summary

  • 99

    Performance

    Renders faster than
    96% of other websites

  • 78

    Accessibility

    Visual factors better than
    that of 46% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 64

    SEO

    Google-friendlier than
    24% of websites

cdcn.com

成都市晓易互动科技有限公司

Page Load Speed

43.2 sec in total

First Response

818 ms

Resources Loaded

42.2 sec

Page Rendered

193 ms

cdcn.com screenshot

About Website

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Key Findings

We analyzed Cdcn.com page load time and found that the first response time was 818 ms and then it took 42.4 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 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

cdcn.com performance score

99

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value0.8 s

100/100

10%

LCP (Largest Contentful Paint)

Value2.0 s

97/100

25%

SI (Speed Index)

Value2.8 s

96/100

10%

TBT (Total Blocking Time)

Value20 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value1.3 s

100/100

10%

Network Requests Diagram

cdcn.com

818 ms

20.html

9658 ms

style.css

5233 ms

jquery.js

19265 ms

js.js

1027 ms

Our browser made a total of 33 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Cdcn.com, 36% (12 requests) were made to Mytz.com and 30% (10 requests) were made to Bdimg.share.baidu.com. The less responsive or slowest element that took the longest time to load (20.5 sec) relates to the external source Mytz.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 49.1 kB (35%)

Content Size

140.8 kB

After Optimization

91.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cdcn.com main page is 140.8 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. Only 10% of websites need less resources to load. Javascripts take 71.8 kB which makes up the majority of the site volume.

HTML Optimization

-36%

Potential reduce by 181 B

  • Original 503 B
  • After minification 501 B
  • After compression 322 B

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 181 B or 36% of the original size.

Image Optimization

-25%

Potential reduce by 12.0 kB

  • Original 48.3 kB
  • After minification 36.3 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, Cdcn needs image optimization as it can save up to 12.0 kB or 25% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-29%

Potential reduce by 20.8 kB

  • Original 71.8 kB
  • After minification 71.4 kB
  • After compression 51.0 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 20.8 kB or 29% of the original size.

CSS Optimization

-80%

Potential reduce by 16.1 kB

  • Original 20.2 kB
  • After minification 17.5 kB
  • After compression 4.1 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. Cdcn.com needs all CSS files to be minified and compressed as it can save up to 16.1 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (52%)

Requests Now

29

After Optimization

14

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 29 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cdcn. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

cdcn.com

cdcn.com

818 ms

20.html

20.html

9658 ms

style.css

style.css

5233 ms

jquery.js

jquery.js

19265 ms

js.js

js.js

1027 ms

stat.php

stat.php

2346 ms

logo.png

logo.png

2964 ms

qq.png

qq.png

3139 ms

aliim.gif

aliim.gif

1077 ms

aliyun.gif

aliyun.gif

20460 ms

wechatcode.png

wechatcode.png

20460 ms

tkapi.js

tkapi.js

287 ms

nav.png

nav.png

3392 ms

share.js

share.js

685 ms

bg-img.png

bg-img.png

2070 ms

tit_bg.png

tit_bg.png

2592 ms

stat.htm

stat.htm

178 ms

core.php

core.php

1165 ms

click.js

click.js

31 ms

plugin.js

plugin.js

29 ms

load

load

4116 ms

9.gif

9.gif

1086 ms

share_api.js

share_api.js

427 ms

share_view.js

share_view.js

463 ms

tangram.js

tangram.js

1605 ms

api_base.js

api_base.js

288 ms

view_base.js

view_base.js

430 ms

app.gif

app.gif

1015 ms

partners.js

partners.js

248 ms

share_style0_32.css

share_style0_32.css

242 ms

icons_0_32.png

icons_0_32.png

932 ms

logger.js

logger.js

234 ms

button_old_41.gif

button_old_41.gif

507 ms

Accessibility Review

cdcn.com accessibility score

78

Accessibility Issues

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

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

cdcn.com 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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

cdcn.com SEO score

64

Search Engine Optimization Advices

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 Cdcn.com 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 Cdcn.com 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

cdcn.com

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