4 sec in total
836 ms
3 sec
156 ms
Welcome to sanddroid.xjtu.edu.cn homepage info - get ready to check Sand Droid Xjtu best content for China right away, or after learning these important things about sanddroid.xjtu.edu.cn
SandDroid is a system which can automatically analyzes Android applications!
Visit sanddroid.xjtu.edu.cnWe analyzed Sanddroid.xjtu.edu.cn page load time and found that the first response time was 836 ms and then it took 3.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.
sanddroid.xjtu.edu.cn performance score
name
value
score
weighting
Value2.6 s
64/100
10%
Value3.0 s
78/100
25%
Value8.6 s
17/100
10%
Value1,330 ms
17/100
30%
Value0.001
100/100
15%
Value8.2 s
41/100
10%
836 ms
13 ms
61 ms
9 ms
269 ms
Our browser made a total of 35 requests to load all elements on the main page. We found that 69% of them (24 requests) were addressed to the original Sanddroid.xjtu.edu.cn, 9% (3 requests) were made to Code.jquery.com and 6% (2 requests) were made to Netdna.bootstrapcdn.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Sanddroid.xjtu.edu.cn.
Page size can be reduced by 453.1 kB (67%)
675.4 kB
222.4 kB
In fact, the total size of Sanddroid.xjtu.edu.cn main page is 675.4 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. 60% of websites need less resources to load. Javascripts take 533.3 kB which makes up the majority of the site volume.
Potential reduce by 10.0 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 10.0 kB or 70% of the original size.
Potential reduce by 343.1 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 343.1 kB or 64% of the original size.
Potential reduce by 100.0 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. Sanddroid.xjtu.edu.cn needs all CSS files to be minified and compressed as it can save up to 100.0 kB or 78% of the original size.
Number of requests can be reduced by 27 (90%)
30
3
The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sand Droid 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 19 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.
sanddroid.xjtu.edu.cn
836 ms
bootstrap.min.css
13 ms
jquery.dataTables.css
61 ms
jquery-ui.css
9 ms
font-awesome.min.css
269 ms
jquery-jvectormap-1.2.2.css
534 ms
main.css
534 ms
home.css
535 ms
overview.css
534 ms
upload.css
535 ms
footer.css
536 ms
jquery.js
16 ms
jquery-ui.js
17 ms
bootstrap.min.js
17 ms
jquery.dataTables.min.js
87 ms
highcharts.js
18 ms
exporting.js
19 ms
jquery-jvectormap-1.2.2.min.js
797 ms
jquery-jvectormap-world-mill-en.js
1331 ms
bootstrap.input-clear.js
801 ms
jquery.fileupload.js
1065 ms
jquery.iframe-transport.js
799 ms
jquery.ui.widget.js
802 ms
jquery.xdr-transport.js
1062 ms
utils.js
1065 ms
animation.js
1065 ms
main.js
1066 ms
overview.js
1328 ms
upload.js
1337 ms
ga.js
57 ms
fontawesome-webfont.woff
1535 ms
__utm.gif
14 ms
ip_map
299 ms
apk_table_info
580 ms
apk_charts
276 ms
sanddroid.xjtu.edu.cn accessibility score
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
Buttons do not have an accessible name
Links do not have a discernible name
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
sanddroid.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
General
Impact
Issue
Detected JavaScript libraries
Missing source maps for large first-party JavaScript
sanddroid.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
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Sanddroid.xjtu.edu.cn can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Sanddroid.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.
sanddroid.xjtu.edu.cn
Open Graph description is not detected on the main page of Sand Droid 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: