Tools & Wizards About Us

Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

iofc.cuhk.edu.hk

Institute of Future Cities | CUHK

Page Load Speed

5 sec in total

First Response

1.9 sec

Resources Loaded

3.1 sec

Page Rendered

83 ms

About Website

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

Institute of Future Cities, The Chinese University of Hong Kong. A inter-disciplinary research institute aims to create impacts on academic research and urban theories and practices including policy, ...

Visit iofc.cuhk.edu.hk

Key Findings

We analyzed Iofc.cuhk.edu.hk page load time and found that the first response time was 1.9 sec and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

iofc.cuhk.edu.hk performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value6.4 s

9/100

25%

SI (Speed Index)

Value7.4 s

27/100

10%

TBT (Total Blocking Time)

Value960 ms

29/100

30%

CLS (Cumulative Layout Shift)

Value0.037

100/100

15%

TTI (Time to Interactive)

Value12.8 s

13/100

10%

Network Requests Diagram

www.iofc.cuhk.edu.hk

1856 ms

minified.js

39 ms

focus-within-polyfill.js

94 ms

polyfill.min.js

178 ms

thunderbolt-commons.1e70fbb2.bundle.min.js

69 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Iofc.cuhk.edu.hk, 37% (19 requests) were made to Static.parastorage.com and 31% (16 requests) were made to Static.wixstatic.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Iofc.cuhk.edu.hk.

Page Optimization Overview & Recommendations

Page size can be reduced by 533.9 kB (47%)

Content Size

1.1 MB

After Optimization

590.9 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Iofc.cuhk.edu.hk main page is 1.1 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. 45% of websites need less resources to load. HTML takes 588.2 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 466.8 kB

  • Original 588.2 kB
  • After minification 586.6 kB
  • After compression 121.4 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 466.8 kB or 79% of the original size.

Image Optimization

-2%

Potential reduce by 4.6 kB

  • Original 239.0 kB
  • After minification 234.4 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. Iofc CUHK images are well optimized though.

JavaScript Optimization

-21%

Potential reduce by 62.5 kB

  • Original 297.7 kB
  • After minification 297.6 kB
  • After compression 235.2 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 62.5 kB or 21% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (32%)

Requests Now

31

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Iofc 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 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

iofc.cuhk.edu.hk accessibility score

89

Accessibility Issues

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

High

Buttons do not have an accessible name

High

Links do not have a discernible name

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

Best Practices

iofc.cuhk.edu.hk best practices score

83

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

iofc.cuhk.edu.hk SEO score

100

Search Engine Optimization Advices

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

    EN

  • Encoding

    UTF-8

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

Social Sharing Optimization

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