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eclass.yy2.edu.hk screenshot

Report Summary

  • 74

    Performance

    Renders faster than
    83% of other websites

  • 50

    Accessibility

    Visual factors better than
    that of 20% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 77

    SEO

    Google-friendlier than
    36% of websites

eclass.yy2.edu.hk

eClass IP

Page Load Speed

5.3 sec in total

First Response

874 ms

Resources Loaded

4.3 sec

Page Rendered

152 ms

eclass.yy2.edu.hk screenshot

About Website

Click here to check amazing EClass Yy 2 content for United States. Otherwise, check out these important facts you probably never knew about eclass.yy2.edu.hk

Visit eclass.yy2.edu.hk

Key Findings

We analyzed Eclass.yy2.edu.hk page load time and found that the first response time was 874 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

eclass.yy2.edu.hk performance score

74

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

28/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

54/100

25%

SI (Speed Index)

Value6.2 s

43/100

10%

TBT (Total Blocking Time)

Value40 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value4.2 s

86/100

10%

Network Requests Diagram

874 ms

jquery-1.4.4.min.js

1517 ms

script.b5.js

654 ms

script.js

1876 ms

bg.jpg

436 ms

Our browser made a total of 9 requests to load all elements on the main page. We found that all of those requests were addressed to Eclass.yy2.edu.hk and no external sources were called. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Eclass.yy2.edu.hk.

Page Optimization Overview & Recommendations

Page size can be reduced by 179.8 kB (49%)

Content Size

363.9 kB

After Optimization

184.1 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Eclass.yy2.edu.hk main page is 363.9 kB. This result falls within a vast category (top 1 000 000) of heavyweight, probably not optimized, and thus slow loading web pages. Only 5% of websites need less resources to load. Javascripts take 214.2 kB which makes up the majority of the site volume.

HTML Optimization

-66%

Potential reduce by 5.0 kB

  • Original 7.6 kB
  • After minification 6.9 kB
  • After compression 2.6 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 5.0 kB or 66% of the original size.

Image Optimization

-6%

Potential reduce by 8.4 kB

  • Original 142.1 kB
  • After minification 133.7 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. EClass Yy 2 images are well optimized though.

JavaScript Optimization

-78%

Potential reduce by 166.3 kB

  • Original 214.2 kB
  • After minification 163.5 kB
  • After compression 47.8 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 166.3 kB or 78% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

8

After Optimization

8

  • Images
  • JavaScript

The browser has sent 8 CSS, Javascripts, AJAX and image requests in order to completely render the main page of EClass Yy 2. According to our analytics all requests are already optimized.

Network Requests Diagram

874 ms

jquery-1.4.4.min.js

jquery-1.4.4.min.js

1517 ms

script.b5.js

script.b5.js

654 ms

script.js

script.js

1876 ms

bg.jpg

bg.jpg

436 ms

board.png

board.png

444 ms

title_b5.png

title_b5.png

657 ms

indicator.gif

indicator.gif

229 ms

btn_bg.gif

btn_bg.gif

441 ms

Accessibility Review

eclass.yy2.edu.hk accessibility score

50

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.

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

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

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

eclass.yy2.edu.hk best practices score

67

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

Page has valid source maps

SEO Factors

eclass.yy2.edu.hk SEO score

77

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Page is blocked from indexing

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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

    N/A

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Eclass.yy2.edu.hk can be misinterpreted by Google and other search engines. Unfortunately we cannot identify language used on the page (probably there is a mix of languages, too little text or something else) and no language is claimed in <html> or <meta> tags either. Our system also found out that Eclass.yy2.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

eclass.yy2.edu.hk

Open Graph description is not detected on the main page of EClass Yy 2. Lack of Open Graph description can be counter-productive for their social media presence, as such a description allows converting a website homepage (or other pages) into good-looking, rich and well-structured posts, when it is being shared on Facebook and other social media. For example, adding the following code snippet into HTML <head> tag will help to represent this web page correctly in social networks: