7.9 sec in total
1.1 sec
6.7 sec
159 ms
Welcome to gr.xjtu.edu.cn homepage info - get ready to check Gr Xjtu best content for China right away, or after learning these important things about gr.xjtu.edu.cn
西安交通大学教师个人主页平台是国内第一家实时发布本校教师信息的官方网站,由西安交通大学主办,为广大用户第一时间详尽全面地展示本校所有教师的基本情况,教学水平,科研成果,团队活动,教师新闻,硕博士招生等相关信息
Visit gr.xjtu.edu.cnWe analyzed Gr.xjtu.edu.cn page load time and found that the first response time was 1.1 sec and then it took 6.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
gr.xjtu.edu.cn performance score
name
value
score
weighting
Value24.6 s
0/100
10%
Value28.9 s
0/100
25%
Value29.2 s
0/100
10%
Value11,830 ms
0/100
30%
Value0
100/100
15%
Value39.4 s
0/100
10%
1070 ms
533 ms
1641 ms
537 ms
798 ms
Our browser made a total of 40 requests to load all elements on the main page. We found that 95% of them (38 requests) were addressed to the original Gr.xjtu.edu.cn, 5% (2 requests) were made to Hm.baidu.com. The less responsive or slowest element that took the longest time to load (2.3 sec) relates to the external source Hm.baidu.com.
Page size can be reduced by 299.5 kB (71%)
419.6 kB
120.1 kB
In fact, the total size of Gr.xjtu.edu.cn main page is 419.6 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. 15% of websites need less resources to load. Javascripts take 207.9 kB which makes up the majority of the site volume.
Potential reduce by 44.4 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 44.4 kB or 81% of the original size.
Potential reduce by 22.2 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, Gr Xjtu needs image optimization as it can save up to 22.2 kB or 39% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 149.6 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 149.6 kB or 72% of the original size.
Potential reduce by 83.3 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. Gr.xjtu.edu.cn needs all CSS files to be minified and compressed as it can save up to 83.3 kB or 83% of the original size.
Number of requests can be reduced by 26 (67%)
39
13
The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gr 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 4 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
guest;jsessionid=0D6191EA14FFF909B7462AFE4142383A
1070 ms
css.jsp
533 ms
barebone.jsp
1641 ms
main.css
537 ms
WdatePicker.js
798 ms
WdatePicker.css
536 ms
javascript.js
276 ms
base.css
271 ms
application.css
269 ms
layout.css
274 ms
navigation2.css
272 ms
portlet.css
273 ms
forms.css
271 ms
custom1.css
534 ms
bg.gif
269 ms
bj.gif
269 ms
adminzyqg.png
270 ms
banner1.jpg
1597 ms
zh_CN.png
271 ms
en_US.png
270 ms
navbg.jpg
537 ms
headtopic_1.gif
537 ms
zx.gif
538 ms
search.png
537 ms
hot001.gif
538 ms
google.gif
805 ms
baidu.jpg
801 ms
search.jpg
800 ms
Page.gif
804 ms
icon_iph.gif
802 ms
icon_and.gif
1066 ms
1.gif
1066 ms
9.gif
1068 ms
7.gif
1069 ms
4.gif
1069 ms
0.gif
1332 ms
sprites_jpg.jpg
1589 ms
input_shadow.png
1296 ms
h.js
2305 ms
hm.gif
443 ms
gr.xjtu.edu.cn accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[aria-*] attributes do not match their roles
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
List items (<li>) are not contained within <ul> or <ol> parent elements.
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.
gr.xjtu.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
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
gr.xjtu.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
UTF-8"
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gr.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 Gr.xjtu.edu.cn main page’s claimed encoding is utf-8". 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.
gr.xjtu.edu.cn
Open Graph description is not detected on the main page of Gr 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: