25.8 sec in total
11.4 sec
14.3 sec
103 ms
Visit math.zju.edu.cn now to see the best up-to-date Math Zju content for China and also check out these interesting facts you probably never knew about math.zju.edu.cn
Visit math.zju.edu.cnWe analyzed Math.zju.edu.cn page load time and found that the first response time was 11.4 sec and then it took 14.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
math.zju.edu.cn performance score
name
value
score
weighting
Value1.6 s
94/100
10%
Value1.9 s
98/100
25%
Value6.2 s
43/100
10%
Value0 ms
100/100
30%
Value0.017
100/100
15%
Value1.6 s
100/100
10%
11446 ms
549 ms
830 ms
279 ms
556 ms
Our browser made a total of 11 requests to load all elements on the main page. We found that all of those requests were addressed to Math.zju.edu.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (11.4 sec) belongs to the original domain Math.zju.edu.cn.
Page size can be reduced by 6.4 kB (74%)
8.6 kB
2.3 kB
In fact, the total size of Math.zju.edu.cn main page is 8.6 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. HTML takes 5.1 kB which makes up the majority of the site volume.
Potential reduce by 3.9 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 2.0 kB, which is 39% 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 3.9 kB or 76% of the original size.
Potential reduce by 2.5 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. Math.zju.edu.cn needs all CSS files to be minified and compressed as it can save up to 2.5 kB or 70% of the original size.
We found no issues to fix!
10
10
The browser has sent 10 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Math Zju. According to our analytics all requests are already optimized.
math.zju.edu.cn
11446 ms
login.css
549 ms
login.js
830 ms
MailL_Top_bg.gif
279 ms
logo.gif
556 ms
pic.gif
2253 ms
MailL_B_bg.gif
555 ms
opt_title.gif
555 ms
button.gif
831 ms
input_bg.gif
557 ms
footer.gif
830 ms
math.zju.edu.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
Form elements do not have associated labels
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.
math.zju.edu.cn 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
math.zju.edu.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
N/A
N/A
GBK
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Math.zju.edu.cn can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Math.zju.edu.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.
math.zju.edu.cn
Open Graph description is not detected on the main page of Math Zju. 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: