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Report Summary

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    Performance

  • 0

    Accessibility

  • 0

    Best Practices

  • 0

    SEO

b2b.chem99.com

网站地图 - 卓创资讯

Page Load Speed

22 sec in total

First Response

3.8 sec

Resources Loaded

18 sec

Page Rendered

276 ms

b2b.chem99.com screenshot

About Website

Welcome to b2b.chem99.com homepage info - get ready to check B 2 Chem 99 best content for China right away, or after learning these important things about b2b.chem99.com

卓创资讯网站地图sitemap页（http://www.sci99.com/map/），卓创资讯最全的网站信息导航页

Visit b2b.chem99.com

Key Findings

We analyzed B2b.chem99.com page load time and found that the first response time was 3.8 sec and then it took 18.3 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

b2b.chem99.com performance score

0

Network Requests Diagram

b2b.chem99.com

3793 ms

Default2013.css

766 ms

common.css

4241 ms

LoginFrame.aspx

941 ms

jquery-1.10.1.min.js

6010 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 59% of them (32 requests) were addressed to the original B2b.chem99.com, 20% (11 requests) were made to Sci99.com and 11% (6 requests) were made to V.sciimg.com. The less responsive or slowest element that took the longest time to load (11.5 sec) belongs to the original domain B2b.chem99.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 221.3 kB (45%)

Content Size

493.2 kB

After Optimization

271.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of B2b.chem99.com main page is 493.2 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. 25% of websites need less resources to load. Images take 227.0 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 68.6 kB

  • Original 78.8 kB
  • After minification 49.8 kB
  • After compression 10.2 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 29.0 kB, which is 37% 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 68.6 kB or 87% of the original size.

Image Optimization

-11%

Potential reduce by 25.2 kB

  • Original 227.0 kB
  • After minification 201.8 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, B 2 Chem 99 needs image optimization as it can save up to 25.2 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-67%

Potential reduce by 105.1 kB

  • Original 156.6 kB
  • After minification 154.3 kB
  • After compression 51.5 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 105.1 kB or 67% of the original size.

CSS Optimization

-73%

Potential reduce by 22.4 kB

  • Original 30.8 kB
  • After minification 27.7 kB
  • After compression 8.5 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. B2b.chem99.com needs all CSS files to be minified and compressed as it can save up to 22.4 kB or 73% of the original size.

Requests Breakdown

Number of requests can be reduced by 5 (10%)

Requests Now

52

After Optimization

47

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of B 2 Chem 99. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

b2b.chem99.com

b2b.chem99.com

3793 ms

Default2013.css

Default2013.css

766 ms

common.css

common.css

4241 ms

LoginFrame.aspx

LoginFrame.aspx

941 ms

jquery-1.10.1.min.js

jquery-1.10.1.min.js

6010 ms

b2blogo.jpg

b2blogo.jpg

946 ms

search.gif

search.gif

1166 ms

jquery-1.2.6.min.js

jquery-1.2.6.min.js

2735 ms

MasterPageMain.js

MasterPageMain.js

2338 ms

getfooter.js

getfooter.js

8 ms

SetChannelStyle.js

SetChannelStyle.js

1562 ms

201604081150143740.jpg

201604081150143740.jpg

1519 ms

201604051108368169.jpg

201604051108368169.jpg

6914 ms

201604021413294662.jpg

201604021413294662.jpg

2352 ms

201604011303232073.jpg

201604011303232073.jpg

7209 ms

201604011302312267.jpg

201604011302312267.jpg

6817 ms

201603250938509195.jpg

201603250938509195.jpg

4958 ms

ctc99_2015.gif

ctc99_2015.gif

1865 ms

boke.gif

boke.gif

959 ms

liyou.gif

liyou.gif

2641 ms

1102.gif

1102.gif

1137 ms

logo_haitian.gif

logo_haitian.gif

3841 ms

logo_fuhai.gif

logo_fuhai.gif

3284 ms

zhaoshang.gif

zhaoshang.gif

1508 ms

huaxin.gif

huaxin.gif

1877 ms

logo_jizhou.gif

logo_jizhou.gif

11456 ms

xuchen.gif

xuchen.gif

3488 ms

logo_cixi.gif

logo_cixi.gif

3416 ms

logo_shandonggangmao.gif

logo_shandonggangmao.gif

6636 ms

0120.gif

0120.gif

7222 ms

dansheng4.gif

dansheng4.gif

6117 ms

map_qqonline.jpg

map_qqonline.jpg

4742 ms

top_login.gif

top_login.gif

4333 ms

top_resis.gif

top_resis.gif

7232 ms

map_map.gif

map_map.gif

5139 ms

main_bg.png

main_bg.png

4186 ms

main_bg.png

main_bg.png

5371 ms

content_bg.gif

content_bg.gif

5121 ms

li_bg.gif

li_bg.gif

5340 ms

comm_Footer.min.css

comm_Footer.min.css

8 ms

beian.gif

beian.gif

20 ms

p9.jpg

p9.jpg

18 ms

p14.gif

p14.gif

18 ms

p10.jpg

p10.jpg

19 ms

p11.jpg

p11.jpg

19 ms

p8.jpg

p8.jpg

19 ms

p3.gif

p3.gif

19 ms

p7.gif

p7.gif

20 ms

p4.gif

p4.gif

22 ms

p6.gif

p6.gif

20 ms

p5.gif

p5.gif

20 ms

h.js

h.js

711 ms

a_bg.gif

a_bg.gif

541 ms

hm.gif

hm.gif

361 ms

SEO Factors

b2b.chem99.com 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 B2b.chem99.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 B2b.chem99.com 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

b2b.chem99.com

Open Graph description is not detected on the main page of B 2 Chem 99. 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: