11 sec in total
2.6 sec
8.1 sec
345 ms
Welcome to sese.sysu.edu.cn homepage info - get ready to check Sese Sysu best content for China right away, or after learning these important things about sese.sysu.edu.cn
中山大学环境科学与工程学院成立于2002年10月,是我国唯一由环境科学与工程、大气科学这两个一级学科组成的教学科研单位。学院前身是创建于1929年的中山大学地理学系。此后,中山大学地理学系于1961年设置气象学专业。1979年气象学专业独立成系,同期环境科学研究所成立,1993年又成立了环境科学系。2002年10月,中山大学整合原地球与环境科学学院中的气象学系、环境科学系和环境科学研究所等学科机构...
Visit sese.sysu.edu.cnWe analyzed Sese.sysu.edu.cn page load time and found that the first response time was 2.6 sec and then it took 8.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
sese.sysu.edu.cn performance score
name
value
score
weighting
Value3.1 s
48/100
10%
Value3.1 s
75/100
25%
Value8.0 s
22/100
10%
Value1,140 ms
22/100
30%
Value0
100/100
15%
Value5.4 s
72/100
10%
2570 ms
926 ms
1508 ms
924 ms
4254 ms
Our browser made a total of 21 requests to load all elements on the main page. We found that all of those requests were addressed to Sese.sysu.edu.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (5.5 sec) belongs to the original domain Sese.sysu.edu.cn.
Page size can be reduced by 132.3 kB (12%)
1.1 MB
965.8 kB
In fact, the total size of Sese.sysu.edu.cn main page is 1.1 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. Only 10% of websites need less resources to load. Images take 927.4 kB which makes up the majority of the site volume.
Potential reduce by 39.0 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 13.3 kB, which is 28% 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 39.0 kB or 83% of the original size.
Potential reduce by 11.3 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. Sese Sysu images are well optimized though.
Potential reduce by 69.3 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 69.3 kB or 65% of the original size.
Potential reduce by 12.6 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. Sese.sysu.edu.cn needs all CSS files to be minified and compressed as it can save up to 12.6 kB or 76% of the original size.
We found no issues to fix!
19
19
The browser has sent 19 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sese Sysu. According to our analytics all requests are already optimized.
sese.sysu.edu.cn
2570 ms
DefaultSkin.css
926 ms
logo.jpg
1508 ms
mini-logo.jpg
924 ms
20160114131830431_s1920.jpg
4254 ms
20150924154327032_s1920.jpg
4289 ms
20160309120133148_s600.png
1226 ms
20160223150032083_s600.jpg
1822 ms
20160219112911653_s600.jpg
1820 ms
image_s600.png
1525 ms
more.gif
1809 ms
new.gif
1828 ms
20150924171019332_s1920.jpg
5535 ms
jquery_HopeCMS.js
3100 ms
book.gif
2817 ms
resume.gif
2181 ms
jquery.qrcode.min.js
2505 ms
search_btn.gif
2178 ms
navbg.jpg
2512 ms
footerbg.jpg
2791 ms
Error_500.html
2184 ms
sese.sysu.edu.cn accessibility score
ARIA
These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.
Impact
Issue
[role] values are not valid
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
Image elements do not have [alt] attributes
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.
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
sese.sysu.edu.cn best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Browser errors were logged to the console
sese.sysu.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
Links do not have descriptive text
Image elements do not have [alt] attributes
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
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 Sese.sysu.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 Sese.sysu.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.
sese.sysu.edu.cn
Open Graph description is not detected on the main page of Sese Sysu. 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: