27.2 sec in total
3 sec
24 sec
225 ms
Welcome to jw.scnu.edu.cn homepage info - get ready to check Jw Scnu best content for China right away, or after learning these important things about jw.scnu.edu.cn
Visit jw.scnu.edu.cnWe analyzed Jw.scnu.edu.cn page load time and found that the first response time was 3 sec and then it took 24.2 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.
jw.scnu.edu.cn performance score
name
value
score
weighting
Value2.9 s
53/100
10%
Value5.2 s
24/100
25%
Value8.3 s
20/100
10%
Value110 ms
98/100
30%
Value0.098
91/100
15%
Value4.8 s
80/100
10%
2973 ms
1000 ms
2836 ms
997 ms
2805 ms
Our browser made a total of 55 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Jw.scnu.edu.cn, 93% (51 requests) were made to Statics.scnu.edu.cn and 4% (2 requests) were made to Module.scnu.edu.cn. The less responsive or slowest element that took the longest time to load (19.8 sec) relates to the external source Statics.scnu.edu.cn.
Page size can be reduced by 215.5 kB (45%)
484.0 kB
268.5 kB
In fact, the total size of Jw.scnu.edu.cn main page is 484.0 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. 25% of websites need less resources to load. Images take 294.7 kB which makes up the majority of the site volume.
Potential reduce by 25.0 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. This page needs HTML code to be minified as it can gain 9.0 kB, which is 29% 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 25.0 kB or 82% of the original size.
Potential reduce by 79.0 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, Jw Scnu needs image optimization as it can save up to 79.0 kB or 27% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 82.1 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 82.1 kB or 65% of the original size.
Potential reduce by 29.4 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. Jw.scnu.edu.cn needs all CSS files to be minified and compressed as it can save up to 29.4 kB or 89% of the original size.
Number of requests can be reduced by 3 (6%)
52
49
The browser has sent 52 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Jw Scnu. 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 as a result speed up the page load time.
jw.scnu.edu.cn
2973 ms
css_whir.css
1000 ms
jquery-1.11.0.min.js
2836 ms
tabs.js
997 ms
DateTime-new.js
2805 ms
bg.jpg
705 ms
MSClass.js
354 ms
ScrollPic.js
788 ms
api.php
2183 ms
serverdate.php
2515 ms
bg.gif
1391 ms
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19780 ms
icon_01.gif
1279 ms
top_email.gif
349 ms
left_top.gif
698 ms
left_bg.gif
2761 ms
left_01.jpg
1046 ms
left_02.jpg
2781 ms
left_03.jpg
2268 ms
left_04.jpg
1689 ms
left_05.jpg
2734 ms
left_10.jpg
2716 ms
left_06.jpg
2597 ms
left_07.jpg
2929 ms
left_08.jpg
3413 ms
left_09.jpg
3431 ms
left_bottom.gif
6989 ms
input_search.gif
4334 ms
btn_search.gif
3273 ms
xiaoli.gif
3604 ms
minnav1_bg.jpg
3763 ms
tab_index.jpg
3760 ms
more.gif
3935 ms
index_rightnav01.jpg
4418 ms
thumb_210_175_20150618074009534.jpg
4105 ms
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5250 ms
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5849 ms
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6030 ms
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6849 ms
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6357 ms
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7035 ms
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6843 ms
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6724 ms
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8048 ms
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7614 ms
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6881 ms
link_rd.jpg
7671 ms
icon_02.gif
6383 ms
index_rightnavbg.jpg
8333 ms
index_rightconbg.jpg
6816 ms
index_link2.jpg
7090 ms
link_right.jpg
6525 ms
icon_04.gif
5975 ms
icon_news.gif
6912 ms
jw.scnu.edu.cn accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[id] attributes on active, focusable elements are not unique
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
Links do not have a discernible name
jw.scnu.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
Issues were logged in the Issues panel in Chrome Devtools
jw.scnu.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
ZH
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Jw.scnu.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 Jw.scnu.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.
jw.scnu.edu.cn
Open Graph description is not detected on the main page of Jw Scnu. 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: