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Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

doc521.com

社区 - 资料分享网 - Powered by Discuz!

Page Load Speed

30.3 sec in total

First Response

1.3 sec

Resources Loaded

28.5 sec

Page Rendered

491 ms

doc521.com screenshot

About Website

Welcome to doc521.com homepage info - get ready to check Doc 521 best content right away, or after learning these important things about doc521.com

社区 ,资料分享网

Visit doc521.com

Key Findings

We analyzed Doc521.com page load time and found that the first response time was 1.3 sec and then it took 29 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

doc521.com performance score

0

Network Requests Diagram

doc521.com

1275 ms

www.doc521.com

3324 ms

style_1_common.css

1821 ms

common.js

2351 ms

portal.js

830 ms

Our browser made a total of 52 requests to load all elements on the main page. We found that 81% of them (42 requests) were addressed to the original Doc521.com, 4% (2 requests) were made to Tcss.qq.com and 2% (1 request) were made to S4.cnzz.com. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Cnzz.mmstat.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 229.3 kB (72%)

Content Size

319.2 kB

After Optimization

90.0 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Doc521.com main page is 319.2 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. HTML takes 113.8 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 96.2 kB

  • Original 113.8 kB
  • After minification 113.6 kB
  • After compression 17.6 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 96.2 kB or 85% of the original size.

Image Optimization

-31%

Potential reduce by 11.9 kB

  • Original 38.0 kB
  • After minification 26.1 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, Doc 521 needs image optimization as it can save up to 11.9 kB or 31% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-68%

Potential reduce by 63.3 kB

  • Original 93.8 kB
  • After minification 89.3 kB
  • After compression 30.4 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 63.3 kB or 68% of the original size.

CSS Optimization

-79%

Potential reduce by 57.9 kB

  • Original 73.7 kB
  • After minification 70.5 kB
  • After compression 15.8 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. Doc521.com needs all CSS files to be minified and compressed as it can save up to 57.9 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (31%)

Requests Now

49

After Optimization

34

  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Doc 521. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

doc521.com

doc521.com

1275 ms

www.doc521.com

www.doc521.com

3324 ms

style_1_common.css

style_1_common.css

1821 ms

common.js

common.js

2351 ms

portal.js

portal.js

830 ms

logging.js

logging.js

979 ms

style.css

style.css

2817 ms

ping.js

ping.js

1624 ms

stat.php

stat.php

1176 ms

4339447.js

4339447.js

7440 ms

discuz_tips.js

discuz_tips.js

651 ms

police_guiyang.gif

police_guiyang.gif

2821 ms

background.png

background.png

1856 ms

logo.png

logo.png

3548 ms

qq_login.gif

qq_login.gif

803 ms

wechat_login.png

wechat_login.png

1148 ms

security.png

security.png

3366 ms

px.png

px.png

3695 ms

newarow.gif

newarow.gif

3785 ms

pn.png

pn.png

3789 ms

nv.png

nv.png

3953 ms

qmenu.png

qmenu.png

3988 ms

nv_a.png

nv_a.png

4171 ms

search.png

search.png

4238 ms

dot.gif

dot.gif

3757 ms

bbs_bg_8.gif

bbs_bg_8.gif

3717 ms

sortnum.png

sortnum.png

3974 ms

MzMzNDQwMA==.js

MzMzNDQwMA==.js

380 ms

stat.htm

stat.htm

259 ms

core.php

core.php

746 ms

noavatar_small.gif

noavatar_small.gif

3605 ms

50_avatar_small.jpg

50_avatar_small.jpg

4971 ms

noavatar_small.gif

noavatar_small.gif

3387 ms

9.gif

9.gif

20212 ms

noavatar_small.gif

noavatar_small.gif

3292 ms

noavatar_small.gif

noavatar_small.gif

3322 ms

noavatar_small.gif

noavatar_small.gif

3351 ms

noavatar_small.gif

noavatar_small.gif

3308 ms

noavatar_small.gif

noavatar_small.gif

3119 ms

04_avatar_small.jpg

04_avatar_small.jpg

3213 ms

noavatar_small.gif

noavatar_small.gif

4436 ms

noavatar_small.gif

noavatar_small.gif

3314 ms

noavatar_small.gif

noavatar_small.gif

3082 ms

noavatar_small.gif

noavatar_small.gif

2858 ms

noavatar_small.gif

noavatar_small.gif

2995 ms

noavatar_small.gif

noavatar_small.gif

4077 ms

noavatar_small.gif

noavatar_small.gif

5832 ms

noavatar_small.gif

noavatar_small.gif

2753 ms

noavatar_small.gif

noavatar_small.gif

2674 ms

noavatar_small.gif

noavatar_small.gif

2539 ms

icon_0.gif

icon_0.gif

862 ms

scrolltop.png

scrolltop.png

1951 ms

SEO Factors

doc521.com SEO score

0

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GBK

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Doc521.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 Doc521.com main page’s claimed encoding is gbk. Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

doc521.com

Open Graph description is not detected on the main page of Doc 521. 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: