4.7 sec in total
831 ms
3.6 sec
209 ms
Click here to check amazing Sris Xjtu content for China. Otherwise, check out these important facts you probably never knew about sris.xjtu.edu.cn
Visit sris.xjtu.edu.cnWe analyzed Sris.xjtu.edu.cn page load time and found that the first response time was 831 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
sris.xjtu.edu.cn performance score
name
value
score
weighting
Value1.6 s
94/100
10%
Value2.4 s
91/100
25%
Value9.3 s
13/100
10%
Value10 ms
100/100
30%
Value0
100/100
15%
Value1.9 s
100/100
10%
831 ms
270 ms
815 ms
537 ms
537 ms
Our browser made a total of 33 requests to load all elements on the main page. We found that all of those requests were addressed to Sris.xjtu.edu.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Sris.xjtu.edu.cn.
Page size can be reduced by 138.1 kB (16%)
854.0 kB
715.9 kB
In fact, the total size of Sris.xjtu.edu.cn main page is 854.0 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. 20% of websites need less resources to load. Images take 725.5 kB which makes up the majority of the site volume.
Potential reduce by 11.9 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 3.8 kB, which is 23% 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 11.9 kB or 73% of the original size.
Potential reduce by 52.3 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. Sris Xjtu images are well optimized though.
Potential reduce by 68.2 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 68.2 kB or 65% of the original size.
Potential reduce by 5.7 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. Sris.xjtu.edu.cn needs all CSS files to be minified and compressed as it can save up to 5.7 kB or 75% of the original size.
Number of requests can be reduced by 5 (16%)
32
27
The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sris Xjtu. 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.
sris.xjtu.edu.cn
831 ms
style.css
270 ms
jquery-1.9.1.min.js
815 ms
index.vsb.css
537 ms
counter.js
537 ms
dynclicks.js
537 ms
base64.js
537 ms
formfunc.js
537 ms
responsiveslides.min.js
802 ms
ht_02.jpg
270 ms
t_02.png
270 ms
logo.png
542 ms
s.gif
269 ms
Groupphoto.jpg
1074 ms
banner1.jpg
1081 ms
banner2.jpg
1607 ms
banner3.jpg
1076 ms
2o6k3nwq3d.jpg
1615 ms
sz_33.jpg
1167 ms
sz_39.jpg
1337 ms
wb.jpg
1343 ms
wx.jpg
1347 ms
jd.jpg
1433 ms
rl.jpg
1604 ms
qr.jpg
1610 ms
102003.jpg
1617 ms
en.jpg
1692 ms
nav.png
1863 ms
hover.gif
1862 ms
search.gif
1867 ms
m.jpg
1862 ms
foot.jpg
1843 ms
themes.png
1905 ms
sris.xjtu.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
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
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
List items (<li>) are not contained within <ul> or <ol> parent elements.
sris.xjtu.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
Displays images with incorrect aspect ratio
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
sris.xjtu.edu.cn 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
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sris.xjtu.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 Sris.xjtu.edu.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.
sris.xjtu.edu.cn
Open Graph description is not detected on the main page of Sris Xjtu. 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: