40.7 sec in total
483 ms
40.1 sec
171 ms
Click here to check amazing Cheman Chemnet content for China. Otherwise, check out these important facts you probably never knew about cheman.chemnet.com
化工助手-化工网(中国权威化工服务中心)
Visit cheman.chemnet.comWe analyzed Cheman.chemnet.com page load time and found that the first response time was 483 ms and then it took 40.2 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 3 request timeouts, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
cheman.chemnet.com performance score
name
value
score
weighting
Value1.2 s
99/100
10%
Value1.2 s
100/100
25%
Value3.1 s
93/100
10%
Value0 ms
100/100
30%
Value0.061
97/100
15%
Value1.2 s
100/100
10%
483 ms
221 ms
376 ms
148 ms
19787 ms
Our browser made a total of 27 requests to load all elements on the main page. We found that 70% of them (19 requests) were addressed to the original Cheman.chemnet.com, 30% (8 requests) were made to China.chemnet.com. The less responsive or slowest element that took the longest time to load (20 sec) belongs to the original domain Cheman.chemnet.com.
Page size can be reduced by 65.0 kB (59%)
110.8 kB
45.9 kB
In fact, the total size of Cheman.chemnet.com main page is 110.8 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only a small number of websites need less resources to load. Images take 46.3 kB which makes up the majority of the site volume.
Potential reduce by 31.0 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 31.0 kB or 82% of the original size.
Potential reduce by 11.8 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, Cheman Chemnet needs image optimization as it can save up to 11.8 kB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 22.2 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. Cheman.chemnet.com needs all CSS files to be minified and compressed as it can save up to 22.2 kB or 83% of the original size.
Number of requests can be reduced by 11 (48%)
23
12
The browser has sent 23 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cheman Chemnet. 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.
cheman.chemnet.com
483 ms
layout.css
221 ms
helps.css
376 ms
font.css
148 ms
input.js
19787 ms
logo01.gif
328 ms
menu_01.gif
250 ms
menu_03.gif
257 ms
top_bg03.gif
255 ms
top_bg04.gif
243 ms
new12.gif
251 ms
button01.gif
147 ms
tdchem237.gif
314 ms
data.gif
19995 ms
tcishanghai2.gif
19995 ms
chemequ2.gif
322 ms
tbb4_j.gif
150 ms
tbb1.gif
240 ms
Catch-1.jpg
19947 ms
Catch-2.jpg
16271 ms
bq1f3.gif
380 ms
bq1f2.gif
395 ms
bq1f.gif
447 ms
menu_02.gif
296 ms
top_bg02.gif
296 ms
trade_button.gif
445 ms
bbj1.gif
505 ms
cheman.chemnet.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
<dl>'s do not contain only properly-ordered <dt> and <dd> groups, <script>, <template> or <div> elements.
Definition list items are not wrapped in <dl> elements
List items (<li>) are not contained within <ul> or <ol> parent elements.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
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
<input type="image"> elements do not have [alt] text
Form elements do not have associated labels
Links do not have a discernible name
cheman.chemnet.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Browser errors were logged to the console
cheman.chemnet.com 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
ZH
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cheman.chemnet.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 Cheman.chemnet.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.
cheman.chemnet.com
Open Graph description is not detected on the main page of Cheman Chemnet. 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: