12.6 sec in total
3.1 sec
9.4 sec
208 ms
Visit tl.hku.hk now to see the best up-to-date Tl HKU content for China and also check out these interesting facts you probably never knew about tl.hku.hk
Everything about teaching and learning in the University of Hong Kong
Visit tl.hku.hkWe analyzed Tl.hku.hk page load time and found that the first response time was 3.1 sec and then it took 9.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.
tl.hku.hk performance score
name
value
score
weighting
Value19.0 s
0/100
10%
Value37.6 s
0/100
25%
Value30.4 s
0/100
10%
Value4,390 ms
1/100
30%
Value0.326
35/100
15%
Value34.3 s
0/100
10%
3052 ms
748 ms
502 ms
499 ms
750 ms
Our browser made a total of 96 requests to load all elements on the main page. We found that 74% of them (71 requests) were addressed to the original Tl.hku.hk, 9% (9 requests) were made to Ajax.useso.com and 7% (7 requests) were made to Fontstatic.useso.com. The less responsive or slowest element that took the longest time to load (3.6 sec) belongs to the original domain Tl.hku.hk.
Page size can be reduced by 832.0 kB (34%)
2.4 MB
1.6 MB
In fact, the total size of Tl.hku.hk main page is 2.4 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. 60% of websites need less resources to load. Images take 1.6 MB which makes up the majority of the site volume.
Potential reduce by 42.0 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. 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 42.0 kB or 81% of the original size.
Potential reduce by 174.3 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. Obviously, Tl HKU needs image optimization as it can save up to 174.3 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.
Potential reduce by 421.5 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 421.5 kB or 70% of the original size.
Potential reduce by 194.3 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. Tl.hku.hk needs all CSS files to be minified and compressed as it can save up to 194.3 kB or 91% of the original size.
Number of requests can be reduced by 48 (55%)
87
39
The browser has sent 87 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tl HKU. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 34 to 1 for JavaScripts and from 16 to 1 for CSS and as a result speed up the page load time.
tl.hku.hk
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tl.hku.hk accessibility score
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
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.
tl.hku.hk 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
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
tl.hku.hk SEO score
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
N/A
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tl.hku.hk can be misinterpreted by Google and other search engines. Our service has detected that English 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 Tl.hku.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.
tl.hku.hk
Open Graph description is not detected on the main page of Tl HKU. 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: