45.4 sec in total
14.5 sec
30.7 sec
210 ms
Click here to check amazing Sci Jmu content for China. Otherwise, check out these important facts you probably never knew about sci.jmu.edu.cn
Visit sci.jmu.edu.cnWe analyzed Sci.jmu.edu.cn page load time and found that the first response time was 14.5 sec and then it took 30.9 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% 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.
sci.jmu.edu.cn performance score
name
value
score
weighting
Value2.0 s
84/100
10%
Value11.8 s
0/100
25%
Value13.4 s
2/100
10%
Value20 ms
100/100
30%
Value2.047
0/100
15%
Value2.1 s
99/100
10%
14465 ms
1483 ms
1782 ms
3875 ms
794 ms
Our browser made a total of 23 requests to load all elements on the main page. We found that all of those requests were addressed to Sci.jmu.edu.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (20.3 sec) belongs to the original domain Sci.jmu.edu.cn.
Page size can be reduced by 130.9 kB (87%)
151.3 kB
20.4 kB
In fact, the total size of Sci.jmu.edu.cn main page is 151.3 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. HTML takes 113.9 kB which makes up the majority of the site volume.
Potential reduce by 101.1 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 12.7 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 101.1 kB or 89% of the original size.
Potential reduce by 327 B
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, Sci Jmu needs image optimization as it can save up to 327 B or 47% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 23.1 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 23.1 kB or 81% of the original size.
Potential reduce by 6.3 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. Sci.jmu.edu.cn needs all CSS files to be minified and compressed as it can save up to 6.3 kB or 78% of the original size.
Number of requests can be reduced by 10 (50%)
20
10
The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sci Jmu. 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.
sci.jmu.edu.cn
14465 ms
main.css
1483 ms
classbase.js
1782 ms
windowopener.js
3875 ms
divwin.css
794 ms
ListMenu.js
1617 ms
sudy-jquery-autoload.js
481 ms
lxy-logo.jpg
20289 ms
nav_1.gif
1358 ms
more.gif
1386 ms
loading.gif
425 ms
small1.jpg
385 ms
news.gif
751 ms
asdasdasd.gif
792 ms
tab_back2.jpg
3307 ms
jquery.min.js
15500 ms
more.gif
1153 ms
yuanzhang.gif
395 ms
shuji.gif
358 ms
line_1.gif
394 ms
footer.jpg
1497 ms
284e5df4-d021-4e0b-b30f-066afe2551b5_s.jpg
2458 ms
37abfb24-df9e-4d80-9c63-017c342e521d_s.jpg
2852 ms
sci.jmu.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.
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
<frame> or <iframe> elements do not have a title
Image elements do not have [alt] attributes
<input type="image"> elements do not have [alt] text
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
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
sci.jmu.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
sci.jmu.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 Sci.jmu.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 Sci.jmu.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.
sci.jmu.edu.cn
Open Graph description is not detected on the main page of Sci Jmu. 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: