Report Summary

  • 9

    Performance

    Renders faster than
    23% of other websites

  • 84

    Accessibility

    Visual factors better than
    that of 57% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

resources.hkedcity.net

教學資源庫

Page Load Speed

12.5 sec in total

First Response

1.5 sec

Resources Loaded

10.6 sec

Page Rendered

426 ms

resources.hkedcity.net screenshot

About Website

Welcome to resources.hkedcity.net homepage info - get ready to check Resources Hkedcity best content for Hong Kong right away, or after learning these important things about resources.hkedcity.net

「教學資源庫」是香港教育城的一站式教學資源儲存庫暨搜尋器,教師可按學習領域、資源性質(如筆記/工作紙、教育電視等)搜尋及篩選教學材料、輕鬆備課。

Visit resources.hkedcity.net

Key Findings

We analyzed Resources.hkedcity.net page load time and found that the first response time was 1.5 sec and then it took 11 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

resources.hkedcity.net performance score

9

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.7 s

0/100

10%

LCP (Largest Contentful Paint)

Value10.2 s

0/100

25%

SI (Speed Index)

Value19.4 s

0/100

10%

TBT (Total Blocking Time)

Value980 ms

28/100

30%

CLS (Cumulative Layout Shift)

Value1.683

0/100

15%

TTI (Time to Interactive)

Value20.0 s

2/100

10%

Network Requests Diagram

resources.hkedcity.net

1463 ms

topbar.js.php

2656 ms

control.js

1126 ms

topbar.js.php

435 ms

idangerous.swiper.css

1143 ms

Our browser made a total of 86 requests to load all elements on the main page. We found that 30% of them (26 requests) were addressed to the original Resources.hkedcity.net, 58% (50 requests) were made to Static1.hkedcity.net and 5% (4 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (2.7 sec) belongs to the original domain Resources.hkedcity.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 396.2 kB (46%)

Content Size

864.4 kB

After Optimization

468.2 kB

In fact, the total size of Resources.hkedcity.net main page is 864.4 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. 35% of websites need less resources to load. Images take 454.0 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 47.2 kB

  • Original 55.0 kB
  • After minification 46.3 kB
  • After compression 7.8 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. This page needs HTML code to be minified as it can gain 8.7 kB, which is 16% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 47.2 kB or 86% of the original size.

Image Optimization

-11%

Potential reduce by 50.4 kB

  • Original 454.0 kB
  • After minification 403.6 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. Obviously, Resources Hkedcity needs image optimization as it can save up to 50.4 kB or 11% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 56.8 kB

  • Original 81.8 kB
  • After minification 63.8 kB
  • After compression 25.0 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 56.8 kB or 69% of the original size.

CSS Optimization

-88%

Potential reduce by 241.8 kB

  • Original 273.6 kB
  • After minification 206.3 kB
  • After compression 31.9 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. Resources.hkedcity.net needs all CSS files to be minified and compressed as it can save up to 241.8 kB or 88% of the original size.

Requests Breakdown

Number of requests can be reduced by 34 (40%)

Requests Now

84

After Optimization

50

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Resources Hkedcity. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 9 to 1 for JavaScripts and from 19 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

resources.hkedcity.net accessibility score

84

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

[id] attributes on active, focusable elements are not unique

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

<frame> or <iframe> elements do not have a title

High

Form elements do not have associated labels

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

resources.hkedcity.net best practices score

58

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Uses deprecated APIs

High

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

resources.hkedcity.net SEO score

80

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    ZH

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Resources.hkedcity.net can be misinterpreted by Google and other search engines. Our service has detected that Chinese 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 Resources.hkedcity.net 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 Resources Hkedcity. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: