Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

iso.cuhk.edu.hk

Communications and Public Relations Office 香港中文大學傳訊及公共關係處

Page Load Speed

3.5 sec in total

First Response

1.7 sec

Resources Loaded

1.7 sec

Page Rendered

148 ms

iso.cuhk.edu.hk screenshot

About Website

Visit iso.cuhk.edu.hk now to see the best up-to-date Iso Cuhk content for China and also check out these interesting facts you probably never knew about iso.cuhk.edu.hk

The duties of CPR team are the production of CUHK major official publications and the content management of CUHK website

Visit iso.cuhk.edu.hk

Key Findings

We analyzed Iso.cuhk.edu.hk page load time and found that the first response time was 1.7 sec and then it took 1.8 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

iso.cuhk.edu.hk performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value9.5 s

0/100

25%

SI (Speed Index)

Value8.5 s

18/100

10%

TBT (Total Blocking Time)

Value1,860 ms

9/100

30%

CLS (Cumulative Layout Shift)

Value0.054

98/100

15%

TTI (Time to Interactive)

Value11.8 s

17/100

10%

Network Requests Diagram

iso.cuhk.edu.hk

1654 ms

Our browser made a total of 1 request to load all elements on the main page. We found that all of those requests were addressed to Iso.cuhk.edu.hk and no external sources were called. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Iso.cuhk.edu.hk.

Page Optimization Overview & Recommendations

Page size can be reduced by 11 B (9%)

Content Size

117 B

After Optimization

106 B

In fact, the total size of Iso.cuhk.edu.hk main page is 117 B. This result falls within the top 5000 of lightweight and thus fast loading web pages. Only a small number of websites need less resources to load. HTML takes 117 B which makes up the majority of the site volume.

HTML Optimization

-9%

Potential reduce by 11 B

  • Original 117 B
  • After minification 116 B
  • After compression 106 B

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. This web page is already compressed.

Requests Breakdown

We found no issues to fix!

Requests Now

0

After Optimization

0

Besides the initial HTML request, no CSS, Javascripts, AJAX or image files were requested in the course of web page rendering.

Accessibility Review

iso.cuhk.edu.hk accessibility score

93

Accessibility Issues

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

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

iso.cuhk.edu.hk best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

iso.cuhk.edu.hk SEO score

83

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

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

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

High

Document uses legible font sizes

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Iso.cuhk.edu.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 Iso.cuhk.edu.hk main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

Open Graph description is not detected on the main page of Iso Cuhk. 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: