7.6 sec in total
1.1 sec
6.1 sec
427 ms
Click here to check amazing Gsen Xjtu content for China. Otherwise, check out these important facts you probably never knew about gsen.xjtu.edu.cn
Visit gsen.xjtu.edu.cnWe analyzed Gsen.xjtu.edu.cn page load time and found that the first response time was 1.1 sec and then it took 6.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
gsen.xjtu.edu.cn performance score
name
value
score
weighting
Value2.0 s
83/100
10%
Value4.4 s
39/100
25%
Value5.4 s
56/100
10%
Value160 ms
93/100
30%
Value0.098
90/100
15%
Value2.4 s
99/100
10%
1072 ms
231 ms
926 ms
461 ms
458 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 Gsen.xjtu.edu.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (4.1 sec) belongs to the original domain Gsen.xjtu.edu.cn.
Page size can be reduced by 144.6 kB (4%)
4.0 MB
3.9 MB
In fact, the total size of Gsen.xjtu.edu.cn main page is 4.0 MB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 50% of websites need less resources to load. Images take 4.0 MB which makes up the majority of the site volume.
Potential reduce by 8.3 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 1.3 kB, which is 11% 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 8.3 kB or 71% of the original size.
Potential reduce by 133.9 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. Gsen Xjtu images are well optimized though.
Potential reduce by 2.1 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 2.1 kB or 25% of the original size.
Potential reduce by 292 B
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. Gsen.xjtu.edu.cn needs all CSS files to be minified and compressed as it can save up to 292 B or 11% of the original size.
Number of requests can be reduced by 6 (19%)
32
26
The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gsen 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 7 to 1 for JavaScripts and as a result speed up the page load time.
gsen.xjtu.edu.cn
1072 ms
css.css
231 ms
jquery.min.js
926 ms
jquery.SuperSlide.js
461 ms
_sitegray_d.css
458 ms
_sitegray.js
458 ms
counter.js
463 ms
dynclicks.js
687 ms
openlink.js
689 ms
ajax.js
689 ms
bdimg_1.png
231 ms
sybg_03.png
457 ms
syby_03.png
235 ms
5.jpg
1144 ms
7.jpg
4104 ms
6.jpg
2055 ms
8.jpg
2312 ms
493AAC8CE68CD9518049EEC88B3_2951F4AB_E9561.jpg
2740 ms
defaultimg.gif
853 ms
A693D2C43798E5CD37EEA6B629E_596D7162_1D354.jpg
2265 ms
F46818C610152492D277CE20C7A_9E78D4D7_5D53E.jpg
1830 ms
9715A9C03CB57190A7B50B09462_B38D5DD4_10A09.jpg
2059 ms
8B828B3CFD3E65D0002FA345E09_071E9369_3A1B6.jpg
2285 ms
9EBACD7842BB8FE8C9DE85575D1_1A61F65C_181DF.jpg
2288 ms
A13FE7A89EF510A67032E003CF2_58FFEAB9_210CE.jpg
3864 ms
F1481007F73AB42EB0AACE909A2_BC73CDBD_31857.jpg
2516 ms
sybg_31.png
2518 ms
sybg_26.png
2544 ms
sybg_28.png
2746 ms
22_03.png
2741 ms
sybg_10.png
2756 ms
syby_10.png
2942 ms
sybg_17.png
2949 ms
gsen.xjtu.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.
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
gsen.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
gsen.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
EN
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gsen.xjtu.edu.cn can be misinterpreted by Google and other search engines. Our service has detected that English 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 Gsen.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.
gsen.xjtu.edu.cn
Open Graph description is not detected on the main page of Gsen 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: