53.9 sec in total
10.6 sec
42.7 sec
531 ms
Welcome to chemall.com.cn homepage info - get ready to check Chemall best content for China right away, or after learning these important things about chemall.com.cn
石油和化工行业门户网站、行业B2B电商平台,始建于2000年7月。由即时的 国内外化工快讯、市场信息、行业招标、品牌设备选型市场、精细化工品牌市场、化工原料市场、化工英才网等板块组成。
Visit chemall.com.cnWe analyzed Chemall.com.cn page load time and found that the first response time was 10.6 sec and then it took 43.3 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 were 21 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
chemall.com.cn performance score
name
value
score
weighting
Value6.3 s
3/100
10%
Value7.3 s
5/100
25%
Value9.8 s
10/100
10%
Value430 ms
65/100
30%
Value0
100/100
15%
Value8.1 s
42/100
10%
10626 ms
12202 ms
19668 ms
1016 ms
13340 ms
Our browser made a total of 52 requests to load all elements on the main page. We found that 87% of them (45 requests) were addressed to the original Chemall.com.cn, 10% (5 requests) were made to Expo.chemall.com.cn and 4% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain Chemall.com.cn.
Page size can be reduced by 252.5 kB (65%)
388.8 kB
136.2 kB
In fact, the total size of Chemall.com.cn main page is 388.8 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. Only 10% of websites need less resources to load. HTML takes 217.4 kB which makes up the majority of the site volume.
Potential reduce by 188.3 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 188.3 kB or 87% of the original size.
Potential reduce by 11.7 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. Chemall images are well optimized though.
Potential reduce by 744 B
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 744 B or 59% of the original size.
Potential reduce by 51.8 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. Chemall.com.cn needs all CSS files to be minified and compressed as it can save up to 51.8 kB or 89% of the original size.
We found no issues to fix!
30
30
The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chemall. According to our analytics all requests are already optimized.
chemall.com.cn
10626 ms
chemaindex21312111111.css
12202 ms
jquery-1.7.2.js
19668 ms
tab.min.js
1016 ms
20150722190716.png
13340 ms
index_line.png
845 ms
index-tb1.png
1472 ms
index-tb4.png
4426 ms
Registration.png
1642 ms
index-cbq.png
2843 ms
tmmk1.png
19994 ms
cqxl.png
5071 ms
03.gif
4396 ms
05.gif
4591 ms
02.gif
8087 ms
bjtl.gif
6492 ms
04.jpg
6625 ms
wuji.jpg
7505 ms
youji.jpg
16467 ms
jingxi.jpg
9453 ms
20130428152008.jpg
9098 ms
20130425152828.jpg
12039 ms
20130407141925.jpg
19991 ms
20130328140811.jpg
10763 ms
20130320094513.jpg
11497 ms
20121128181440.jpg
19991 ms
20120504113545.jpg
19992 ms
suliao.jpg
19992 ms
xiangjiao.jpg
19993 ms
hfny.jpg
19993 ms
youp.jpg
19993 ms
axd.jpg
19993 ms
20130613221739.jpg
19994 ms
20130506110244.jpg
19994 ms
20130419164146.jpg
19996 ms
20130319170805.jpg
19995 ms
20130315105942.jpg
19995 ms
20130315105357.jpg
19996 ms
hongdun.jpg
19995 ms
20150722191738.gif
8746 ms
20160304161447.gif
8699 ms
20160304161514.gif
19995 ms
20150722192732.gif
19994 ms
indxe-logo.png
19982 ms
selectBG.gif
19981 ms
h.js
2310 ms
index-tb5.png
19973 ms
index-tb7.png
19343 ms
index-tb6.png
19178 ms
hm.gif
337 ms
index-tb10.png
18764 ms
my-bg12.png
17329 ms
chemall.com.cn accessibility score
Internationalization and localization
These are opportunities to improve the interpretation of your content by users in different locales.
Impact
Issue
<html> element does not have a [lang] attribute
Names and labels
These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
Image elements do not have [alt] attributes
Links do not have a discernible name
Best practices
These items highlight common accessibility best practices.
Impact
Issue
[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.
chemall.com.cn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
chemall.com.cn SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
Mobile Friendly
Make sure your pages are mobile friendly so users don’t have to pinch or zoom in order to read the content pages. [Learn more](https://developers.google.com/search/mobile-sites/).
Impact
Issue
Document uses legible font sizes
ZH
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chemall.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 Chemall.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.
chemall.com.cn
Open Graph description is not detected on the main page of Chemall. 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: