Tools & Wizards About Us

Report Summary

  • 11

    Performance

    Renders faster than
    24% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 56% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

three.com.hk

3香港 | 全港最強5G網絡 | 世界級 ‧ 最可靠

Page Load Speed

18.3 sec in total

First Response

1 sec

Resources Loaded

16.5 sec

Page Rendered

760 ms

About Website

Visit three.com.hk now to see the best up-to-date Three content for Hong Kong and also check out these interesting facts you probably never knew about three.com.hk

香港領先的流動通訊服務營辦商，提供全港最強5G 網絡。多元化的服務包括5G及4.5G 上台月費計劃、5G寬頻、外遊服務、增值服務及儲值卡等，務求讓客戶感受超越所想的通訊及資訊娛樂新體驗。

Visit three.com.hk

Key Findings

We analyzed Three.com.hk page load time and found that the first response time was 1 sec and then it took 17.3 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

three.com.hk performance score

11

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value19.0 s

0/100

10%

LCP (Largest Contentful Paint)

Value43.9 s

0/100

25%

SI (Speed Index)

Value28.9 s

0/100

10%

TBT (Total Blocking Time)

Value850 ms

33/100

30%

CLS (Cumulative Layout Shift)

Value0.67

8/100

15%

TTI (Time to Interactive)

Value35.4 s

0/100

10%

Network Requests Diagram

home.html

1022 ms

main.css

3480 ms

tc.css

677 ms

main.css

2463 ms

satelliteLib-3b9b133d66decc12b4171334a110d2d476c81ee4.js

302 ms

Our browser made a total of 143 requests to load all elements on the main page. We found that 77% of them (110 requests) were addressed to the original Three.com.hk, 10% (15 requests) were made to Googletagmanager.com and 2% (3 requests) were made to Assets.adobedtm.com. The less responsive or slowest element that took the longest time to load (5.4 sec) belongs to the original domain Three.com.hk.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (20%)

Content Size

6.3 MB

After Optimization

5.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Three.com.hk main page is 6.3 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. 70% of websites need less resources to load. Images take 4.9 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 263.0 kB

  • Original 287.7 kB
  • After minification 287.2 kB
  • After compression 24.7 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 263.0 kB or 91% of the original size.

Image Optimization

-2%

Potential reduce by 93.1 kB

  • Original 4.9 MB
  • After minification 4.8 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. Three images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 375.2 kB

  • Original 540.8 kB
  • After minification 540.5 kB
  • After compression 165.6 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 375.2 kB or 69% of the original size.

CSS Optimization

-89%

Potential reduce by 539.9 kB

  • Original 606.4 kB
  • After minification 398.2 kB
  • After compression 66.5 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. Three.com.hk needs all CSS files to be minified and compressed as it can save up to 539.9 kB or 89% of the original size.

Requests Breakdown

Number of requests can be reduced by 49 (35%)

Requests Now

140

After Optimization

91

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 140 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Three. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 31 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

three.com.hk accessibility score

84

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

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

three.com.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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

three.com.hk SEO score

79

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

High

Image elements do not have [alt] attributes

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

    JA

  • Language Claimed

    ZH

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Three.com.hk can be misinterpreted by Google and other search engines. Our service has detected that Japanese is used on the page, and it does not match the claimed Chinese language. Our system also found out that Three.com.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 Three. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: