8.7 sec in total
851 ms
7.5 sec
352 ms
Visit www1.se.cuhk.edu.hk now to see the best up-to-date Www 1 Se CUHK content for China and also check out these interesting facts you probably never knew about www1.se.cuhk.edu.hk
We are an academic department in CUHK with programmes combine technology with management, and with mission to educate engineers to solve real-world problems in smart ways.
Visit www1.se.cuhk.edu.hkWe analyzed Www1.se.cuhk.edu.hk page load time and found that the first response time was 851 ms and then it took 7.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
www1.se.cuhk.edu.hk performance score
name
value
score
weighting
Value10.8 s
0/100
10%
Value10.8 s
0/100
25%
Value23.1 s
0/100
10%
Value950 ms
29/100
30%
Value0.075
95/100
15%
Value21.4 s
1/100
10%
851 ms
847 ms
1302 ms
424 ms
633 ms
Our browser made a total of 111 requests to load all elements on the main page. We found that 1% of them (1 request) were addressed to the original Www1.se.cuhk.edu.hk, 82% (91 requests) were made to Se.cuhk.edu.hk and 9% (10 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Se.cuhk.edu.hk.
Page size can be reduced by 497.1 kB (15%)
3.2 MB
2.7 MB
In fact, the total size of Www1.se.cuhk.edu.hk main page is 3.2 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. 80% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.3 MB which makes up the majority of the site volume.
Potential reduce by 138.3 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 138.3 kB or 84% of the original size.
Potential reduce by 315.9 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. Obviously, Www 1 Se CUHK needs image optimization as it can save up to 315.9 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 5.9 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. This website has mostly compressed JavaScripts.
Potential reduce by 37.0 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. Www1.se.cuhk.edu.hk needs all CSS files to be minified and compressed as it can save up to 37.0 kB or 17% of the original size.
Number of requests can be reduced by 74 (77%)
96
22
The browser has sent 96 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Www 1 Se CUHK. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 36 to 1 for JavaScripts and from 40 to 1 for CSS and as a result speed up the page load time.
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www1.se.cuhk.edu.hk 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
[aria-*] attributes do not match their roles
[aria-hidden="true"] elements contain focusable descendents
ARIA input fields do not have accessible names
Elements with an ARIA [role] that require children to contain a specific [role] are missing some or all of those required children.
[aria-*] attributes do not have valid values
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
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
www1.se.cuhk.edu.hk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
www1.se.cuhk.edu.hk 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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Www1.se.cuhk.edu.hk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that Www1.se.cuhk.edu.hk 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.
www1.se.cuhk.edu.hk
Open Graph data is detected on the main page of Www 1 Se CUHK. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: