13.2 sec in total
2.6 sec
10.4 sec
171 ms
Welcome to ugrs.zju.edu.cn homepage info - get ready to check Ugrs Zju best content for China right away, or after learning these important things about ugrs.zju.edu.cn
Visit ugrs.zju.edu.cnWe analyzed Ugrs.zju.edu.cn page load time and found that the first response time was 2.6 sec and then it took 10.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.
ugrs.zju.edu.cn performance score
name
value
score
weighting
Value2.6 s
63/100
10%
Value6.4 s
9/100
25%
Value11.9 s
4/100
10%
Value60 ms
100/100
30%
Value0.109
87/100
15%
Value2.6 s
98/100
10%
2603 ms
556 ms
1107 ms
831 ms
557 ms
Our browser made a total of 48 requests to load all elements on the main page. We found that all of those requests were addressed to Ugrs.zju.edu.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (4.2 sec) belongs to the original domain Ugrs.zju.edu.cn.
Page size can be reduced by 326.4 kB (34%)
955.5 kB
629.1 kB
In fact, the total size of Ugrs.zju.edu.cn main page is 955.5 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. Images take 610.8 kB which makes up the majority of the site volume.
Potential reduce by 35.0 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 35.0 kB or 86% of the original size.
Potential reduce by 69.3 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, Ugrs Zju needs image optimization as it can save up to 69.3 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 209.3 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 209.3 kB or 73% of the original size.
Potential reduce by 12.8 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. Ugrs.zju.edu.cn needs all CSS files to be minified and compressed as it can save up to 12.8 kB or 79% of the original size.
Number of requests can be reduced by 5 (11%)
46
41
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Ugrs Zju. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.
ugrs.zju.edu.cn
2603 ms
defult.css
556 ms
chinese.css
1107 ms
transmenu.css
831 ms
date_time_clock.js
557 ms
transmenuC.js
2084 ms
autoNav.js
830 ms
jquery.min.js
3763 ms
cg.min.js
2201 ms
wesad.js
1115 ms
body_bg.gif
279 ms
headerbg1.jpg
1146 ms
top.gif
554 ms
search_l.gif
282 ms
search_cont.gif
285 ms
search_r.gif
284 ms
navbg.jpg
555 ms
nav_li_bg.gif
557 ms
x.gif
1225 ms
x.gif
1227 ms
submenu-off.gif
1410 ms
banner.jpg
1488 ms
bannerbg.png
1494 ms
box_bg.gif
1494 ms
h2_bg.gif
1502 ms
news_h2.gif
1503 ms
news_div_bg1.gif
1687 ms
news_div_ul_libg.gif
1765 ms
more_bg.gif
1770 ms
adv_h2.gif
1770 ms
adv_div_bg1.jpg
1778 ms
links_div_bg1.jpg
1779 ms
link_pic_bg.jpg
1963 ms
linkbg.gif
2040 ms
links_h3bg.gif
2045 ms
link_h2.gif
2045 ms
footerbg.gif
1790 ms
smlbg.jpg
2341 ms
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2181 ms
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4193 ms
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3657 ms
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1446 ms
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2286 ms
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1655 ms
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1930 ms
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1677 ms
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1855 ms
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1939 ms
ugrs.zju.edu.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.
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
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
List items (<li>) are not contained within <ul> or <ol> parent elements.
ugrs.zju.edu.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
ugrs.zju.edu.cn SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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
Tap targets are not sized appropriately
ZH
N/A
GB2312
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ugrs.zju.edu.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 Ugrs.zju.edu.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.
ugrs.zju.edu.cn
Open Graph description is not detected on the main page of Ugrs 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: