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down.cnzz.cn screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

down.cnzz.cn

首页 - 源码下载 - 中国站长Cnzz.cn

Page Load Speed

72.4 sec in total

First Response

12.3 sec

Resources Loaded

59.5 sec

Page Rendered

559 ms

down.cnzz.cn screenshot

About Website

Click here to check amazing Down Cn Zz content for China. Otherwise, check out these important facts you probably never knew about down.cnzz.cn

中国站长cnzz.cn将伴随着站长这一群体一起成长，希望更多的站长能够融入，我们一起前行!

Visit down.cnzz.cn

Key Findings

We analyzed Down.cnzz.cn page load time and found that the first response time was 12.3 sec and then it took 60.1 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 36 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

down.cnzz.cn performance score

0

Network Requests Diagram

down.cnzz.cn

12292 ms

style_down.css

20059 ms

ds.js

757 ms

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19979 ms

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19979 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 59% of them (38 requests) were addressed to the original Down.cnzz.cn, 22% (14 requests) were made to Pos.baidu.com and 5% (3 requests) were made to Dup.baidustatic.com. The less responsive or slowest element that took the longest time to load (20.1 sec) relates to the external source Static.cnzz.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 665.6 kB (17%)

Content Size

4.0 MB

After Optimization

3.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Down.cnzz.cn main page is 4.0 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. 20% of websites need less resources to load. Images take 3.7 MB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 46.3 kB

  • Original 54.6 kB
  • After minification 45.1 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. This page needs HTML code to be minified as it can gain 9.5 kB, which is 17% 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 46.3 kB or 85% of the original size.

Image Optimization

-14%

Potential reduce by 517.7 kB

  • Original 3.7 MB
  • After minification 3.2 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. Obviously, Down Cn Zz needs image optimization as it can save up to 517.7 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-58%

Potential reduce by 88.6 kB

  • Original 152.0 kB
  • After minification 152.0 kB
  • After compression 63.4 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 88.6 kB or 58% of the original size.

CSS Optimization

-80%

Potential reduce by 13.1 kB

  • Original 16.4 kB
  • After minification 14.5 kB
  • After compression 3.3 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. Down.cnzz.cn needs all CSS files to be minified and compressed as it can save up to 13.1 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (67%)

Requests Now

27

After Optimization

9

  • AJAX
  • Images
  • JavaScript

The browser has sent 27 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Down Cn Zz. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 19 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

down.cnzz.cn

down.cnzz.cn

12292 ms

style_down.css

style_down.css

20059 ms

ds.js

ds.js

757 ms

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19979 ms

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10732 ms

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6456 ms

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5061 ms

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19979 ms

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19979 ms

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19980 ms

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19990 ms

js

js

1057 ms

vcdm

vcdm

1015 ms

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vcdm

497 ms

ping

ping

514 ms

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496 ms

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492 ms

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489 ms

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510 ms

log

log

19934 ms

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516 ms

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487 ms

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492 ms

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19913 ms

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vcdm

515 ms

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vcdm

487 ms

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1050 ms

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vcdm

513 ms

vcdm

vcdm

481 ms

hm.js

hm.js

1324 ms

hm.gif

hm.gif

498 ms

o.htm

o.htm

723 ms

hm.gif

hm.gif

910 ms

wh.js

wh.js

759 ms

ac.js

ac.js

499 ms

fp.htm

fp.htm

671 ms

SEO Factors

down.cnzz.cn SEO score

0

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 Down.cnzz.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 Down.cnzz.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

down.cnzz.cn

Open Graph description is not detected on the main page of Down Cn Zz. 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: