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Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

cncentos.com

没有找到站点

Page Load Speed

68.3 sec in total

First Response

16.4 sec

Resources Loaded

51.5 sec

Page Rendered

353 ms

cncentos.com screenshot

About Website

Click here to check amazing Cncentos content for China. Otherwise, check out these important facts you probably never knew about cncentos.com

CentOS中文论坛致立于打造国内服务器技术共享交流的第一平台，以追求技术为核心，推广以CentOS为操作系统的服务器架设技术。

Visit cncentos.com

Key Findings

We analyzed Cncentos.com page load time and found that the first response time was 16.4 sec and then it took 51.9 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

cncentos.com performance score

0

Network Requests Diagram

forum.php

16444 ms

style_1_common.css

20410 ms

style_1_forum_index.css

710 ms

style.css

3728 ms

common.js

5701 ms

Our browser made a total of 55 requests to load all elements on the main page. We found that 87% of them (48 requests) were addressed to the original Cncentos.com, 2% (1 request) were made to S84.cnzz.com and 2% (1 request) were made to Discuz.gtimg.cn. The less responsive or slowest element that took the longest time to load (20.4 sec) belongs to the original domain Cncentos.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 200.2 kB (40%)

Content Size

497.0 kB

After Optimization

296.8 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Cncentos.com main page is 497.0 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 281.2 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 38.4 kB

  • Original 49.3 kB
  • After minification 47.6 kB
  • After compression 10.9 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 38.4 kB or 78% of the original size.

Image Optimization

-14%

Potential reduce by 39.1 kB

  • Original 281.2 kB
  • After minification 242.1 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, Cncentos needs image optimization as it can save up to 39.1 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

-72%

Potential reduce by 71.8 kB

  • Original 100.1 kB
  • After minification 83.6 kB
  • After compression 28.4 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 71.8 kB or 72% of the original size.

CSS Optimization

-77%

Potential reduce by 50.9 kB

  • Original 66.3 kB
  • After minification 64.1 kB
  • After compression 15.4 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. Cncentos.com needs all CSS files to be minified and compressed as it can save up to 50.9 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (27%)

Requests Now

52

After Optimization

38

  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cncentos. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

forum.php

forum.php

16444 ms

style_1_common.css

style_1_common.css

20410 ms

style_1_forum_index.css

style_1_forum_index.css

710 ms

style.css

style.css

3728 ms

common.js

common.js

5701 ms

forum.js

forum.js

3867 ms

logging.js

logging.js

1046 ms

title.js

title.js

1521 ms

stat.php

stat.php

2365 ms

discuz_tips.js

discuz_tips.js

634 ms

logo.png

logo.png

3319 ms

bgimg.jpg

bgimg.jpg

4490 ms

logo.png

logo.png

5272 ms

qq_login.gif

qq_login.gif

921 ms

list.gif

list.gif

923 ms

collapsed_no.gif

collapsed_no.gif

459 ms

common_2_icon.png

common_2_icon.png

1399 ms

common_39_icon.png

common_39_icon.png

2009 ms

common_40_icon.png

common_40_icon.png

5264 ms

common_43_icon.png

common_43_icon.png

5187 ms

common_44_icon.png

common_44_icon.png

6255 ms

common_45_icon.png

common_45_icon.png

3232 ms

common_46_icon.png

common_46_icon.png

5349 ms

common_47_icon.png

common_47_icon.png

8547 ms

common_48_icon.png

common_48_icon.png

9238 ms

common_49_icon.png

common_49_icon.png

6567 ms

common_50_icon.png

common_50_icon.png

7026 ms

common_51_icon.png

common_51_icon.png

6747 ms

common_52_icon.png

common_52_icon.png

7135 ms

common_53_icon.jpg

common_53_icon.jpg

8410 ms

common_54_icon.png

common_54_icon.png

9532 ms

common_55_icon.png

common_55_icon.png

8413 ms

common_56_icon.png

common_56_icon.png

9426 ms

common_57_icon.png

common_57_icon.png

10829 ms

common_58_icon.png

common_58_icon.png

9891 ms

common_59_icon.png

common_59_icon.png

10859 ms

forum.gif

forum.gif

9754 ms

common_64_icon.png

common_64_icon.png

11824 ms

common_65_icon.png

common_65_icon.png

11804 ms

common_66_icon.png

common_66_icon.png

11833 ms

common_71_icon.jpg

common_71_icon.jpg

12384 ms

collapsed_yes.gif

collapsed_yes.gif

12052 ms

pn.png

pn.png

11533 ms

nv.png

nv.png

12194 ms

qmenu.png

qmenu.png

12494 ms

nv_a.png

nv_a.png

12447 ms

search.png

search.png

12458 ms

stat.htm

stat.htm

450 ms

core.php

core.php

840 ms

chart.png

chart.png

11653 ms

listbg.gif

listbg.gif

11799 ms

9.gif

9.gif

769 ms

pic.gif

pic.gif

781 ms

titlebg.png

titlebg.png

11425 ms

app.gif

app.gif

939 ms

SEO Factors

cncentos.com 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 Cncentos.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 Cncentos.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

cncentos.com

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