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21ad.org.cn screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

21ad.org.cn

一本大道香久在线播放-亚洲图片欧美文字激情经典-香蕉视频在线精品视频-九九re6热在线视频精品66-欧美国产一级片-少妇爱做高清免费视频-狠狠色综合久久丁香婷婷-公交车上～嗯啊被高潮

Page Load Speed

56.6 sec in total

First Response

6 sec

Resources Loaded

50.4 sec

Page Rendered

214 ms

21ad.org.cn screenshot

About Website

Click here to check amazing 21 Ad content. Otherwise, check out these important facts you probably never knew about 21ad.org.cn

一本大道香久在线播放-亚洲图片欧美文字激情经典-香蕉视频在线精品视频-九九re6热在线视频精品66-欧美国产一级片-少妇爱做高清免费视频-狠狠色综合久久丁香婷婷-公交车上～嗯啊被高潮-另类综合日韩欧美亚洲-中文字幕在线观看不卡

Visit 21ad.org.cn

Key Findings

We analyzed 21ad.org.cn page load time and found that the first response time was 6 sec and then it took 50.6 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 21 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

21ad.org.cn performance score

0

Network Requests Diagram

21ad.org.cn

6003 ms

cssreset.css

1006 ms

index.css

2788 ms

footer.css

1055 ms

header.css

3683 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 92% of them (55 requests) were addressed to the original 21ad.org.cn, 7% (4 requests) were made to Hm.baidu.com and 2% (1 request) were made to Stats.g.doubleclick.net. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain 21ad.org.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 136.2 kB (38%)

Content Size

359.1 kB

After Optimization

222.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of 21ad.org.cn main page is 359.1 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 180.7 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 17.5 kB

  • Original 22.4 kB
  • After minification 20.7 kB
  • After compression 4.9 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 17.5 kB or 78% of the original size.

Image Optimization

-14%

Potential reduce by 25.5 kB

  • Original 180.7 kB
  • After minification 155.2 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, 21 Ad needs image optimization as it can save up to 25.5 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

-56%

Potential reduce by 74.9 kB

  • Original 132.7 kB
  • After minification 132.0 kB
  • After compression 57.8 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 74.9 kB or 56% of the original size.

CSS Optimization

-79%

Potential reduce by 18.3 kB

  • Original 23.3 kB
  • After minification 20.7 kB
  • After compression 5.0 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. 21ad.org.cn needs all CSS files to be minified and compressed as it can save up to 18.3 kB or 79% of the original size.

Requests Breakdown

Number of requests can be reduced by 16 (42%)

Requests Now

38

After Optimization

22

  • Images
  • JavaScript
  • CSS

The browser has sent 38 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 21 Ad. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

21ad.org.cn

21ad.org.cn

6003 ms

cssreset.css

cssreset.css

1006 ms

index.css

index.css

2788 ms

footer.css

footer.css

1055 ms

header.css

header.css

3683 ms

user.css

user.css

3089 ms

jquery1.11-1.min.js

jquery1.11-1.min.js

20342 ms

jquery.SuperSlide.2.1.1.js

jquery.SuperSlide.2.1.1.js

5818 ms

common.js

common.js

3494 ms

sea.js

sea.js

3384 ms

sea_config.js

sea_config.js

941 ms

logo_05.png

logo_05.png

1303 ms

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20160317025423_53893.jpg

18383 ms

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20160405114352_52198.jpg

14963 ms

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20160317080920_47328.jpg

6903 ms

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6190 ms

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5220 ms

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8157 ms

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12319 ms

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10591 ms

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20160406105942_59501.jpg

17604 ms

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17320 ms

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20160107033609_41920.jpg

12086 ms

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14357 ms

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20160107032831_44983.jpg

14208 ms

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15807 ms

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20160105102011_57557.jpg

19667 ms

20151208022839_58716.jpg

20151208022839_58716.jpg

19988 ms

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20151123042144_81864.jpg

19988 ms

20150818183221_79110.jpg

20150818183221_79110.jpg

19988 ms

ewm.jpg

ewm.jpg

19988 ms

appewm.png

appewm.png

19988 ms

syline_02.png

syline_02.png

19984 ms

yw_03.png

yw_03.png

19984 ms

rw_05.png

rw_05.png

19984 ms

szyx_07.png

szyx_07.png

19984 ms

alk_09.png

alk_09.png

19984 ms

ppx_11.png

ppx_11.png

19983 ms

zykj_13.png

zykj_13.png

19983 ms

qs_15.png

qs_15.png

19983 ms

searchbtn_03.png

searchbtn_03.png

19983 ms

ucenter_05.png

ucenter_05.png

19983 ms

weixin_07.png

weixin_07.png

19982 ms

app_05.png

app_05.png

19983 ms

kj_11.png

kj_11.png

19982 ms

navdot_41.png

navdot_41.png

19973 ms

toutiao.png

toutiao.png

19973 ms

h.js

h.js

1309 ms

titbg_41.png

titbg_41.png

19598 ms

hm.gif

hm.gif

381 ms

init.js

init.js

15680 ms

zhezhao.png

zhezhao.png

14873 ms

function.js

function.js

2622 ms

tongji.js

tongji.js

1794 ms

dc.js

dc.js

41 ms

hm.js

hm.js

2185 ms

jquery.cookie.js

jquery.cookie.js

453 ms

layer.min.js

layer.min.js

3467 ms

validform.js

validform.js

3495 ms

hm.gif

hm.gif

450 ms

SEO Factors

21ad.org.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 21ad.org.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 21ad.org.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

21ad.org.cn

Open Graph description is not detected on the main page of 21 Ad. 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: