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21idc.com.cn screenshot

Report Summary

  • 0

    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

Page Load Speed

30.5 sec in total

First Response

11.6 sec

Resources Loaded

18.7 sec

Page Rendered

140 ms

21idc.com.cn screenshot

About Website

Visit 21idc.com.cn now to see the best up-to-date 21 Idc content and also check out these interesting facts you probably never knew about 21idc.com.cn

Visit 21idc.com.cn

Key Findings

We analyzed 21idc.com.cn page load time and found that the first response time was 11.6 sec and then it took 18.9 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.

Performance Metrics

21idc.com.cn performance score

0

Network Requests Diagram

21idc.com.cn

11600 ms

global.css

1348 ms

Easy_style.css

4509 ms

index_logo.png

5580 ms

oldver.gif

1686 ms

Our browser made a total of 75 requests to load all elements on the main page. We found that 91% of them (68 requests) were addressed to the original 21idc.com.cn, 9% (7 requests) were made to Pub.idqqimg.com. The less responsive or slowest element that took the longest time to load (11.6 sec) belongs to the original domain 21idc.com.cn.

Page Optimization Overview & Recommendations

Page size can be reduced by 84.0 kB (67%)

Content Size

124.7 kB

After Optimization

40.7 kB

  • HTML
  • Images
  • CSS

In fact, the total size of 21idc.com.cn main page is 124.7 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 47.7 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 39.2 kB

  • Original 47.7 kB
  • After minification 39.6 kB
  • After compression 8.5 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 8.1 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 39.2 kB or 82% of the original size.

Image Optimization

-15%

Potential reduce by 4.6 kB

  • Original 29.8 kB
  • After minification 25.2 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 Idc needs image optimization as it can save up to 4.6 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

CSS Optimization

-85%

Potential reduce by 40.2 kB

  • Original 47.2 kB
  • After minification 40.0 kB
  • After compression 7.0 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. 21idc.com.cn needs all CSS files to be minified and compressed as it can save up to 40.2 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (32%)

Requests Now

74

After Optimization

50

  • AJAX
  • Images
  • CSS

The browser has sent 74 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 21 Idc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.

Network Requests Diagram

21idc.com.cn

21idc.com.cn

11600 ms

global.css

global.css

1348 ms

Easy_style.css

Easy_style.css

4509 ms

index_logo.png

index_logo.png

5580 ms

oldver.gif

oldver.gif

1686 ms

login1.jpg

login1.jpg

340 ms

register1.jpg

register1.jpg

1016 ms

head_bg.gif

head_bg.gif

337 ms

search_inputbackground.gif

search_inputbackground.gif

674 ms

nav_bg.gif

nav_bg.gif

336 ms

te_bg.gif

te_bg.gif

672 ms

nav_menu_line.gif

nav_menu_line.gif

676 ms

nav_menu_l.gif

nav_menu_l.gif

675 ms

nav_menu_r.gif

nav_menu_r.gif

1010 ms

oao_014.gif

oao_014.gif

1013 ms

oao_015.gif

oao_015.gif

3832 ms

oao_016.gif

oao_016.gif

1347 ms

oao_007_box.gif

oao_007_box.gif

1351 ms

oao_027.gif

oao_027.gif

1359 ms

oao_003.gif

oao_003.gif

1385 ms

name_ico.gif

name_ico.gif

1690 ms

oao_004.gif

oao_004.gif

1696 ms

oao_005.gif

oao_005.gif

2066 ms

oao_006.gif

oao_006.gif

1731 ms

oao_img_016.gif

oao_img_016.gif

2034 ms

oao_img_017.gif

oao_img_017.gif

2042 ms

settings.gif

settings.gif

2080 ms

oao_008.gif

oao_008.gif

2061 ms

oao_028.gif

oao_028.gif

2069 ms

oao_009.gif

oao_009.gif

3925 ms

oao_029.gif

oao_029.gif

2784 ms

oao_037.gif

oao_037.gif

2401 ms

oao_036.gif

oao_036.gif

2409 ms

oao_011.gif

oao_011.gif

2464 ms

oao_012.gif

oao_012.gif

2741 ms

oao_010.gif

oao_010.gif

2751 ms

oao_032.gif

oao_032.gif

2804 ms

oao_025.gif

oao_025.gif

3418 ms

popular.gif

popular.gif

3097 ms

oao_img_059.gif

oao_img_059.gif

3122 ms

hot_ico1.png

hot_ico1.png

3138 ms

oao_001.jpg

oao_001.jpg

4429 ms

fwzx.jpg

fwzx.jpg

3131 ms

fwqbg.jpg

fwqbg.jpg

3122 ms

arr.gif

arr.gif

3402 ms

Colleague_5x.jpg

Colleague_5x.jpg

6277 ms

3r3.jpg

3r3.jpg

5467 ms

3r1.jpg

3r1.jpg

3402 ms

3r2.jpg

3r2.jpg

6774 ms

list01.gif

list01.gif

3540 ms

b5.jpg

b5.jpg

4412 ms

title_bg.gif

title_bg.gif

3581 ms

zhancom.gif

zhancom.gif

4081 ms

link_box.gif

link_box.gif

3890 ms

cooperate_logo_01.gif

cooperate_logo_01.gif

3929 ms

cooperate_logo_02.gif

cooperate_logo_02.gif

4086 ms

cooperate_logo_03.gif

cooperate_logo_03.gif

4571 ms

cooperate_logo_04.gif

cooperate_logo_04.gif

4064 ms

cooperate_logo_07.gif

cooperate_logo_07.gif

4077 ms

cooperate_logo_05.gif

cooperate_logo_05.gif

4367 ms

cooperate_logo_06.gif

cooperate_logo_06.gif

4374 ms

cooperate_logo_09.gif

cooperate_logo_09.gif

5359 ms

TopMenu1_l.jpg

TopMenu1_l.jpg

4385 ms

TopMenu1_bg.jpg

TopMenu1_bg.jpg

4342 ms

TopMenu1_r.jpg

TopMenu1_r.jpg

4074 ms

Bottom_bg_l.jpg

Bottom_bg_l.jpg

4380 ms

Bottom_bg.jpg

Bottom_bg.jpg

6782 ms

button_old_171.gif

button_old_171.gif

456 ms

button_old_171.gif

button_old_171.gif

455 ms

button_old_171.gif

button_old_171.gif

456 ms

button_old_171.gif

button_old_171.gif

456 ms

button_old_171.gif

button_old_171.gif

456 ms

button_old_171.gif

button_old_171.gif

455 ms

Bottom_bg_r.jpg

Bottom_bg_r.jpg

4071 ms

button_old_171.gif

button_old_171.gif

228 ms

SEO Factors

21idc.com.cn SEO score

0

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    GB2312

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise 21idc.com.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 21idc.com.cn main page’s claimed encoding is gb2312. 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

21idc.com.cn

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