12.6 sec in total
4 sec
8.3 sec
324 ms
Welcome to phylab.fudan.edu.cn homepage info - get ready to check Phy Lab Fudan best content for China right away, or after learning these important things about phylab.fudan.edu.cn
Visit phylab.fudan.edu.cnWe analyzed Phylab.fudan.edu.cn page load time and found that the first response time was 4 sec and then it took 8.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
phylab.fudan.edu.cn performance score
name
value
score
weighting
Value7.1 s
1/100
10%
Value7.1 s
6/100
25%
Value9.9 s
10/100
10%
Value210 ms
89/100
30%
Value0.35
31/100
15%
Value8.8 s
36/100
10%
3988 ms
588 ms
3104 ms
2209 ms
2095 ms
Our browser made a total of 32 requests to load all elements on the main page. We found that all of those requests were addressed to Phylab.fudan.edu.cn and no external sources were called. The less responsive or slowest element that took the longest time to load (4 sec) belongs to the original domain Phylab.fudan.edu.cn.
Page size can be reduced by 49.7 kB (58%)
85.5 kB
35.8 kB
In fact, the total size of Phylab.fudan.edu.cn main page is 85.5 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. Only 5% of websites need less resources to load. HTML takes 45.0 kB which makes up the majority of the site volume.
Potential reduce by 35.8 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 35.8 kB or 80% of the original size.
Potential reduce by 4.5 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, Phy Lab Fudan needs image optimization as it can save up to 4.5 kB or 16% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 9.3 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 9.3 kB or 74% of the original size.
Number of requests can be reduced by 23 (74%)
31
8
The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Phy Lab Fudan. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests and as a result speed up the page load time.
doku.php
3988 ms
css.php
588 ms
css.php
3104 ms
js.php
2209 ms
indexmenu.js
2095 ms
buttonshadow.png
290 ms
inputshadow.png
292 ms
tocdot2.gif
1288 ms
fetch.php
877 ms
link_icon.gif
573 ms
pdf.png
578 ms
fetch.php
632 ms
file.png
784 ms
rar.png
853 ms
doc.png
859 ms
mail_icon.gif
393 ms
button-rss.png
1550 ms
cc-by-nc-sa.png
613 ms
button-donate.gif
620 ms
button-php.gif
637 ms
button-xhtml.png
677 ms
button-css.png
893 ms
button-dw.png
898 ms
indexer.php
940 ms
4.jpg
958 ms
9.jpg
1048 ms
0.jpg
1184 ms
7.jpg
1190 ms
3.jpg
1219 ms
8.jpg
2085 ms
2.jpg
1336 ms
css.php
579 ms
phylab.fudan.edu.cn accessibility score
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
[accesskey] values are not unique
Heading elements are not in a sequentially-descending order
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
[aria-*] attributes do not match their roles
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
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
Background and foreground colors do not have a sufficient contrast ratio.
phylab.fudan.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
phylab.fudan.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
ZH
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Phylab.fudan.edu.cn can be misinterpreted by Google and other search engines. Our service has detected that Chinese is used on the page, and it matches the claimed language. Our system also found out that Phylab.fudan.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.
phylab.fudan.edu.cn
Open Graph description is not detected on the main page of Phy Lab Fudan. 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: