9.9 sec in total
1.5 sec
8.2 sec
134 ms
Welcome to webmail.iscas.ac.cn homepage info - get ready to check Webmail Iscas best content for China right away, or after learning these important things about webmail.iscas.ac.cn
Visit webmail.iscas.ac.cnWe analyzed Webmail.iscas.ac.cn page load time and found that the first response time was 1.5 sec and then it took 8.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
webmail.iscas.ac.cn performance score
name
value
score
weighting
Value8.2 s
0/100
10%
Value8.8 s
1/100
25%
Value15.3 s
1/100
10%
Value280 ms
81/100
30%
Value0
100/100
15%
Value8.6 s
37/100
10%
1519 ms
247 ms
490 ms
3000 ms
3819 ms
Our browser made a total of 25 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Webmail.iscas.ac.cn, 36% (9 requests) were made to Mail.cstnet.cn. The less responsive or slowest element that took the longest time to load (3.8 sec) relates to the external source Passport.escience.cn.
Page size can be reduced by 145.6 kB (65%)
223.8 kB
78.2 kB
In fact, the total size of Webmail.iscas.ac.cn main page is 223.8 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. 25% of websites need less resources to load. CSS take 126.7 kB which makes up the majority of the site volume.
Potential reduce by 5.1 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 2.7 kB, which is 40% 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 5.1 kB or 75% of the original size.
Potential reduce by 33.3 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, Webmail Iscas needs image optimization as it can save up to 33.3 kB or 38% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 2.3 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 2.3 kB or 62% of the original size.
Potential reduce by 104.9 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. Webmail.iscas.ac.cn needs all CSS files to be minified and compressed as it can save up to 104.9 kB or 83% of the original size.
Number of requests can be reduced by 11 (46%)
24
13
The browser has sent 24 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Webmail Iscas. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.
mail.cstnet.cn
1519 ms
login1.css
247 ms
login.js
490 ms
passport.js
3000 ms
jquery-1.7.2.min.js
3819 ms
authorize
2581 ms
logo.gif
246 ms
main.jpg
1585 ms
icon01.jpg
491 ms
icon02.jpg
969 ms
icon03.jpg
735 ms
icon04.jpg
735 ms
jquery-1.7.2.min.js
1048 ms
jquery.validate.min.js
493 ms
bootstrap.min.css
767 ms
oauth.css
768 ms
embed.css
772 ms
coremail.css
795 ms
bootstrap.min.js
1004 ms
oauth.js
994 ms
isLogin.do
262 ms
title01.gif
265 ms
user-16.png
250 ms
lock-16.png
265 ms
button.gif
269 ms
webmail.iscas.ac.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.
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
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.
webmail.iscas.ac.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
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
webmail.iscas.ac.cn SEO score
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
GBK
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Webmail.iscas.ac.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 Webmail.iscas.ac.cn main page’s claimed encoding is gbk. 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.
webmail.iscas.ac.cn
Open Graph description is not detected on the main page of Webmail Iscas. 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: