Tools & Wizards About Us
discovery.edu.hk screenshot

Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

discovery.edu.hk

Home Page - Discovery College

Page Load Speed

11.3 sec in total

First Response

675 ms

Resources Loaded

10.3 sec

Page Rendered

342 ms

discovery.edu.hk screenshot

About Website

Welcome to discovery.edu.hk homepage info - get ready to check Discovery best content for Hong Kong right away, or after learning these important things about discovery.edu.hk

Discovery College is an IB World School in Hong Kong, fully authorised to offer the PYP, MYP, CP and DP programmes.

Visit discovery.edu.hk

Key Findings

We analyzed Discovery.edu.hk page load time and found that the first response time was 675 ms and then it took 10.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

discovery.edu.hk performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value12.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value20.8 s

0/100

25%

SI (Speed Index)

Value20.7 s

0/100

10%

TBT (Total Blocking Time)

Value5,820 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.013

100/100

15%

TTI (Time to Interactive)

Value31.5 s

0/100

10%

Network Requests Diagram

discovery.edu.hk

675 ms

www.discovery.edu.hk

1890 ms

wp-emoji-release.min.js

221 ms

style.min.css

441 ms

blocks.style.build.css

633 ms

Our browser made a total of 194 requests to load all elements on the main page. We found that 55% of them (107 requests) were addressed to the original Discovery.edu.hk, 11% (22 requests) were made to Gstatic.com and 8% (15 requests) were made to Cdn.datatables.net. The less responsive or slowest element that took the longest time to load (3.6 sec) belongs to the original domain Discovery.edu.hk.

Page Optimization Overview & Recommendations

Page size can be reduced by 166.9 kB (4%)

Content Size

4.4 MB

After Optimization

4.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Discovery.edu.hk main page is 4.4 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. Only a small number of websites need less resources to load. Images take 3.1 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 78.2 kB

  • Original 97.2 kB
  • After minification 92.5 kB
  • After compression 18.9 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 78.2 kB or 81% of the original size.

Image Optimization

-1%

Potential reduce by 43.6 kB

  • Original 3.1 MB
  • After minification 3.1 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. Discovery images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 38.6 kB

  • Original 934.8 kB
  • After minification 934.8 kB
  • After compression 896.2 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. This website has mostly compressed JavaScripts.

CSS Optimization

-3%

Potential reduce by 6.5 kB

  • Original 212.1 kB
  • After minification 212.1 kB
  • After compression 205.6 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. Discovery.edu.hk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 147 (82%)

Requests Now

180

After Optimization

33

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 180 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Discovery. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 96 to 1 for JavaScripts and from 45 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

discovery.edu.hk

discovery.edu.hk

675 ms

www.discovery.edu.hk

www.discovery.edu.hk

1890 ms

wp-emoji-release.min.js

wp-emoji-release.min.js

221 ms

style.min.css

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441 ms

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633 ms

classic-themes.min.css

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649 ms

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655 ms

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657 ms

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659 ms

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667 ms

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66 ms

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67 ms

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77 ms

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65 ms

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67 ms

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72 ms

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840 ms

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1306 ms

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1308 ms

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1315 ms

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1474 ms

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63 ms

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2126 ms

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2097 ms

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1969 ms

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36 ms

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166 ms

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448 ms

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353 ms

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470 ms

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446 ms

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468 ms

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467 ms

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894 ms

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894 ms

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1992 ms

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183 ms

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Accessibility Review

discovery.edu.hk accessibility score

91

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

Links do not have a discernible name

Best Practices

discovery.edu.hk best practices score

75

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

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

discovery.edu.hk 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 Discovery.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 Discovery.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

discovery.edu.hk

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