Tools & Wizards About Us
justintsui.com screenshot

Report Summary

  • 48

    Performance

    Renders faster than
    66% of other websites

  • 72

    Accessibility

    Visual factors better than
    that of 37% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

justintsui.com

Justin Tsui - Frontend Innovation & Business Design Expert in Asia

Page Load Speed

6.9 sec in total

First Response

1.7 sec

Resources Loaded

5 sec

Page Rendered

250 ms

justintsui.com screenshot

About Website

Click here to check amazing Justin Tsui content. Otherwise, check out these important facts you probably never knew about justintsui.com

Justin Tsui specialised in Product & Brand Innovation + Business Design Consulting for FMCG, Retail & Digial Technology & Retail in HK China

Visit justintsui.com

Key Findings

We analyzed Justintsui.com page load time and found that the first response time was 1.7 sec and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

justintsui.com performance score

48

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.5 s

15/100

10%

LCP (Largest Contentful Paint)

Value6.3 s

10/100

25%

SI (Speed Index)

Value9.7 s

11/100

10%

TBT (Total Blocking Time)

Value250 ms

84/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value9.5 s

30/100

10%

Network Requests Diagram

justintsui.com

1659 ms

style.min.css

560 ms

css

36 ms

ionicons.min.css

812 ms

bootstrap.min.css

1090 ms

Our browser made a total of 34 requests to load all elements on the main page. We found that 79% of them (27 requests) were addressed to the original Justintsui.com, 6% (2 requests) were made to Fonts.googleapis.com and 6% (2 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.7 sec) belongs to the original domain Justintsui.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 198.6 kB (31%)

Content Size

647.2 kB

After Optimization

448.7 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Justintsui.com main page is 647.2 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 40% of websites need less resources to load. Images take 253.9 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 50.3 kB

  • Original 66.2 kB
  • After minification 62.8 kB
  • After compression 15.9 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 50.3 kB or 76% of the original size.

Image Optimization

-9%

Potential reduce by 23.1 kB

  • Original 253.9 kB
  • After minification 230.9 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. Justin Tsui images are well optimized though.

JavaScript Optimization

-36%

Potential reduce by 79.4 kB

  • Original 222.0 kB
  • After minification 222.0 kB
  • After compression 142.6 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 79.4 kB or 36% of the original size.

CSS Optimization

-44%

Potential reduce by 45.8 kB

  • Original 105.1 kB
  • After minification 105.1 kB
  • After compression 59.3 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. Justintsui.com needs all CSS files to be minified and compressed as it can save up to 45.8 kB or 44% of the original size.

Requests Breakdown

Number of requests can be reduced by 25 (78%)

Requests Now

32

After Optimization

7

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 32 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Justin Tsui. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 17 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

justintsui.com

justintsui.com

1659 ms

style.min.css

style.min.css

560 ms

css

css

36 ms

ionicons.min.css

ionicons.min.css

812 ms

bootstrap.min.css

bootstrap.min.css

1090 ms

magnific-popup.css

magnific-popup.css

826 ms

slick.min.css

slick.min.css

837 ms

mediaelementplayer-legacy.min.css

mediaelementplayer-legacy.min.css

845 ms

wp-mediaelement.min.css

wp-mediaelement.min.css

845 ms

style.css

style.css

1080 ms

css

css

51 ms

jquery.min.js

jquery.min.js

1373 ms

jquery-migrate.min.js

jquery-migrate.min.js

1114 ms

js

js

69 ms

cdn.thememattic.com

cdn.thememattic.com

425 ms

skip-link-focus-fix.js

skip-link-focus-fix.js

850 ms

bootstrap.min.js

bootstrap.min.js

858 ms

slick.min.js

slick.min.js

1080 ms

jquery.magnific-popup.min.js

jquery.magnific-popup.min.js

1091 ms

imagesloaded.min.js

imagesloaded.min.js

1256 ms

masonry.min.js

masonry.min.js

1257 ms

theia-sticky-sidebar.min.js

theia-sticky-sidebar.min.js

1257 ms

mediaelement-and-player.min.js

mediaelement-and-player.min.js

1620 ms

mediaelement-migrate.min.js

mediaelement-migrate.min.js

1361 ms

wp-mediaelement.min.js

wp-mediaelement.min.js

1370 ms

script.js

script.js

1397 ms

googlesitekit-consent-mode-3d6495dceaebc28bcca3.js

googlesitekit-consent-mode-3d6495dceaebc28bcca3.js

1414 ms

gtm.js

gtm.js

147 ms

cropped-JT-logo-04.png

cropped-JT-logo-04.png

580 ms

2020-Jx-Portrait-white-1000x1000-r-300x300.jpg

2020-Jx-Portrait-white-1000x1000-r-300x300.jpg

513 ms

Jx-companies-2021-2-lines-1024x208.png

Jx-companies-2021-2-lines-1024x208.png

1345 ms

font

font

19 ms

font

font

26 ms

ionicons.ttf

ionicons.ttf

1247 ms

Accessibility Review

justintsui.com accessibility score

72

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

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

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

Links do not have a discernible name

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

justintsui.com 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

justintsui.com SEO score

93

Search Engine Optimization Advices

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

    EN

  • Encoding

    UTF-8

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

justintsui.com

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