10.1 sec in total
1.6 sec
8.1 sec
449 ms
Click here to check amazing Chemsoc content for China. Otherwise, check out these important facts you probably never knew about chemsoc.org.cn
中国化学会是从事化学或与化学相关专业的科技、教育工作者自愿组成并依法注册登记的学术性、公益性团体,中国科学技术协会的组成部分,我国发展化学科学技术的重要社会力量。
Visit chemsoc.org.cnWe analyzed Chemsoc.org.cn page load time and found that the first response time was 1.6 sec and then it took 8.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
chemsoc.org.cn performance score
name
value
score
weighting
Value10.8 s
0/100
10%
Value45.8 s
0/100
25%
Value20.8 s
0/100
10%
Value70 ms
99/100
30%
Value0.001
100/100
15%
Value16.9 s
5/100
10%
1588 ms
805 ms
1413 ms
579 ms
818 ms
Our browser made a total of 49 requests to load all elements on the main page. We found that 73% of them (36 requests) were addressed to the original Chemsoc.org.cn, 18% (9 requests) were made to Img.chemsoc.org.cn and 4% (2 requests) were made to G.alicdn.com. The less responsive or slowest element that took the longest time to load (3.4 sec) relates to the external source Img.chemsoc.org.cn.
Page size can be reduced by 217.4 kB (3%)
6.4 MB
6.2 MB
In fact, the total size of Chemsoc.org.cn main page is 6.4 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 30% of websites need less resources to load. Images take 6.1 MB which makes up the majority of the site volume.
Potential reduce by 21.7 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 5.2 kB, which is 18% 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 21.7 kB or 77% of the original size.
Potential reduce by 183.9 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. Chemsoc images are well optimized though.
Potential reduce by 2.0 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. This website has mostly compressed JavaScripts.
Potential reduce by 9.7 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. Chemsoc.org.cn needs all CSS files to be minified and compressed as it can save up to 9.7 kB or 34% of the original size.
Number of requests can be reduced by 10 (22%)
46
36
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Chemsoc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 7 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
{{url}}
{{time}} ms
chemsoc.org.cn 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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
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
Form elements do not have associated labels
Links do not have a discernible name
chemsoc.org.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
User Experience
Impact
Issue
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
chemsoc.org.cn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
robots.txt is not valid
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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Chemsoc.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 Chemsoc.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.
{{og_description}}
chemsoc.org.cn
Open Graph description is not detected on the main page of Chemsoc. 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: