7.9 sec in total
950 ms
6.9 sec
126 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 950 ms and then it took 7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.
jw.scnu.edu.cn performance score
name
value
score
weighting
Value3.3 s
40/100
10%
Value4.7 s
32/100
25%
Value7.3 s
29/100
10%
Value0 ms
100/100
30%
Value0.093
91/100
15%
Value3.3 s
94/100
10%
950 ms
874 ms
1110 ms
1352 ms
1156 ms
Our browser made a total of 100 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Jw.scnu.edu.cn, 91% (91 requests) were made to Statics.scnu.edu.cn and 4% (4 requests) were made to Module.scnu.edu.cn. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Statics.scnu.edu.cn.
Page size can be reduced by 222.3 kB (15%)
1.5 MB
1.3 MB
In fact, the total size of Jw.scnu.edu.cn main page is 1.5 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. 35% of websites need less resources to load. Images take 1.3 MB which makes up the majority of the site volume.
Potential reduce by 22.7 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 6.1 kB, which is 22% 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 22.7 kB or 80% of the original size.
Potential reduce by 93.9 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. Jw Scnu images are well optimized though.
Potential reduce by 80.8 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 80.8 kB or 67% of the original size.
Potential reduce by 24.9 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 24.9 kB or 86% of the original size.
Number of requests can be reduced by 4 (7%)
58
54
The browser has sent 58 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 5 to 1 for JavaScripts and as a result speed up the page load time.
jw.scnu.edu.cn
950 ms
css_whir.css
874 ms
jquery-1.11.0.min.js
1110 ms
DateTime-new.js
1352 ms
ScrollPic.js
1156 ms
api.php
796 ms
serverdate.php
1038 ms
jquery.superslide.js
1175 ms
css_whir.css
1324 ms
api.php
1073 ms
jquery-1.11.0.min.js
1783 ms
serverdate.php
1084 ms
DateTime-new.js
1018 ms
ScrollPic.js
1021 ms
jquery.superslide.js
1019 ms
bg.jpg
240 ms
bg.gif
270 ms
20240117051904150.jpg
947 ms
icon_01.gif
266 ms
top_email.gif
254 ms
left_top.gif
262 ms
left_bg.gif
264 ms
left_01.jpg
257 ms
left_02.jpg
258 ms
left_03.jpg
259 ms
left_04.jpg
492 ms
left_05.jpg
513 ms
left_10.jpg
500 ms
left_06.jpg
514 ms
left_07.jpg
516 ms
left_08.jpg
517 ms
left_09.jpg
722 ms
left_11.jpg
734 ms
left_bottom.gif
509 ms
input_search.gif
528 ms
btn_search.gif
532 ms
xiaoli.gif
720 ms
minnav1_bg.jpg
538 ms
tab_index.jpg
749 ms
more.gif
722 ms
icon_02.gif
731 ms
index_rightnavbg.jpg
742 ms
index_rightconbg.jpg
747 ms
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1173 ms
piwik.js
1050 ms
top_email.gif
507 ms
left_01.jpg
714 ms
left_02.jpg
722 ms
left_03.jpg
730 ms
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932 ms
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left_04.jpg
507 ms
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left_05.jpg
686 ms
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left_08.jpg
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xiaoli.gif
541 ms
left_09.jpg
543 ms
more.gif
738 ms
20191128094719404.png
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1030 ms
link_rd.jpg
730 ms
left_11.jpg
776 ms
index_link2.jpg
780 ms
link_right.jpg
784 ms
icon_04.gif
976 ms
20191126112701954.jpg
1065 ms
20191210040606876.jpg
1269 ms
20191126051928342.jpg
2092 ms
20191202095724143.png
1013 ms
20191125090823927.jpg
1271 ms
20191125095159480.jpg
1230 ms
piwik.js
1511 ms
20191209112328168.jpg
1065 ms
20230307104520766.png
1268 ms
2012071003180462.jpg
1274 ms
20120710031837656.jpg
1286 ms
20130301114654312.jpg
1294 ms
20221230035601529.jpg
1478 ms
20120710031946609.jpg
1288 ms
20210119101953429.jpg
1297 ms
20200515031312534.jpg
1308 ms
link_rd.jpg
1388 ms
piwik.php
253 ms
piwik.php
354 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
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
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: