Report Summary

  • 8

    Performance

    Renders faster than
    22% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 90

    SEO

    Google-friendlier than
    68% of websites

hku.hk

The University of Hong Kong (HKU)

Page Load Speed

8.8 sec in total

First Response

461 ms

Resources Loaded

7.8 sec

Page Rendered

538 ms

About Website

Welcome to hku.hk homepage info - get ready to check HKU best content for China right away, or after learning these important things about hku.hk

Established in 1911, the University of Hong Kong (HKU) is the territory’s oldest institute of higher learning and also an internationally recognized, research led, comprehensive university.

Visit hku.hk

Key Findings

We analyzed Hku.hk page load time and found that the first response time was 461 ms and then it took 8.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

hku.hk performance score

8

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.4 s

7/100

10%

LCP (Largest Contentful Paint)

Value34.1 s

0/100

25%

SI (Speed Index)

Value17.2 s

0/100

10%

TBT (Total Blocking Time)

Value2,910 ms

3/100

30%

CLS (Cumulative Layout Shift)

Value0.285

42/100

15%

TTI (Time to Interactive)

Value16.3 s

5/100

10%

Network Requests Diagram

hku.hk

461 ms

hku.hk

1343 ms

gtm.js

54 ms

index.css

2147 ms

device.min.js

652 ms

Our browser made a total of 90 requests to load all elements on the main page. We found that 91% of them (82 requests) were addressed to the original Hku.hk, 2% (2 requests) were made to Googletagmanager.com and 2% (2 requests) were made to Ssl.google-analytics.com. The less responsive or slowest element that took the longest time to load (2.3 sec) belongs to the original domain Hku.hk.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.1 MB (12%)

Content Size

17.5 MB

After Optimization

15.4 MB

In fact, the total size of Hku.hk main page is 17.5 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. 85% 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 16.4 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 204.6 kB

  • Original 242.3 kB
  • After minification 227.8 kB
  • After compression 37.7 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 204.6 kB or 84% of the original size.

Image Optimization

-7%

Potential reduce by 1.2 MB

  • Original 16.4 MB
  • After minification 15.2 MB

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. HKU images are well optimized though.

JavaScript Optimization

-73%

Potential reduce by 409.3 kB

  • Original 561.5 kB
  • After minification 548.4 kB
  • After compression 152.2 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 409.3 kB or 73% of the original size.

CSS Optimization

-85%

Potential reduce by 279.9 kB

  • Original 328.7 kB
  • After minification 326.5 kB
  • After compression 48.9 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. Hku.hk needs all CSS files to be minified and compressed as it can save up to 279.9 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 17 (22%)

Requests Now

77

After Optimization

60

The browser has sent 77 CSS, Javascripts, AJAX and image requests in order to completely render the main page of 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 13 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

hku.hk accessibility score

82

Accessibility Issues

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

High

[aria-*] attributes do not match their roles

High

[aria-hidden="true"] elements contain focusable descendents

High

ARIA input fields do not have accessible names

High

[aria-*] attributes do not have valid values

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

Best Practices

hku.hk best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

hku.hk SEO score

90

Search Engine Optimization Advices

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Links do not have descriptive text

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

High

Document uses legible font sizes

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Hku.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 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.

Social Sharing Optimization

Open Graph data is detected on the main page of HKU. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: