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cytss.edu.hk screenshot

Report Summary

  • 41

    Performance

    Renders faster than
    60% of other websites

  • 66

    Accessibility

    Visual factors better than
    that of 31% of websites

  • 62

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

cytss.edu.hk

Page Load Speed

12.3 sec in total

First Response

661 ms

Resources Loaded

11.5 sec

Page Rendered

174 ms

cytss.edu.hk screenshot

About Website

Welcome to cytss.edu.hk homepage info - get ready to check Cytss best content for United States right away, or after learning these important things about cytss.edu.hk

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Key Findings

We analyzed Cytss.edu.hk page load time and found that the first response time was 661 ms and then it took 11.6 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

cytss.edu.hk performance score

41

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value7.7 s

1/100

10%

LCP (Largest Contentful Paint)

Value13.9 s

0/100

25%

SI (Speed Index)

Value27.9 s

0/100

10%

TBT (Total Blocking Time)

Value240 ms

86/100

30%

CLS (Cumulative Layout Shift)

Value0.056

98/100

15%

TTI (Time to Interactive)

Value20.1 s

2/100

10%

Network Requests Diagram

cytss.edu.hk

661 ms

menu_1.html

217 ms

index.php

3080 ms

styles.php

1164 ms

form.js

1005 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that 8% of them (2 requests) were addressed to the original Cytss.edu.hk, 92% (23 requests) were made to Home.school.hk. The less responsive or slowest element that took the longest time to load (6.7 sec) relates to the external source Home.school.hk.

Page Optimization Overview & Recommendations

Page size can be reduced by 25.8 kB (82%)

Content Size

31.6 kB

After Optimization

5.8 kB

  • HTML
  • JavaScript

In fact, the total size of Cytss.edu.hk main page is 31.6 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. Only 5% of websites need less resources to load. Javascripts take 31.2 kB which makes up the majority of the site volume.

HTML Optimization

-45%

Potential reduce by 170 B

  • Original 378 B
  • After minification 374 B
  • After compression 208 B

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 170 B or 45% of the original size.

JavaScript Optimization

-82%

Potential reduce by 25.6 kB

  • Original 31.2 kB
  • After minification 21.3 kB
  • After compression 5.5 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 25.6 kB or 82% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (69%)

Requests Now

16

After Optimization

5

  • AJAX
  • Images
  • JavaScript

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cytss. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 6 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

cytss.edu.hk

cytss.edu.hk

661 ms

menu_1.html

menu_1.html

217 ms

index.php

index.php

3080 ms

styles.php

styles.php

1164 ms

form.js

form.js

1005 ms

layer.js

layer.js

507 ms

swfobject.js

swfobject.js

760 ms

layersmenu-library.js

layersmenu-library.js

1241 ms

layersmenu.js

layersmenu.js

762 ms

layerstreemenu-cookies.js

layerstreemenu-cookies.js

764 ms

styles.php

styles.php

1020 ms

schoolbannerjpg2.jpg

schoolbannerjpg2.jpg

699 ms

left_arrow.gif

left_arrow.gif

251 ms

right_arrow.gif

right_arrow.gif

254 ms

tri.gif

tri.gif

271 ms

footprint.gif

footprint.gif

261 ms

hits.gif

hits.gif

501 ms

readfile.php

readfile.php

6714 ms

readfile.php

readfile.php

521 ms

training12.jpg

training12.jpg

532 ms

eservice1.jpg

eservice1.jpg

1007 ms

readfile.php

readfile.php

784 ms

hitcount.gif

hitcount.gif

786 ms

top.gif

top.gif

928 ms

am.gif

am.gif

1015 ms

Accessibility Review

cytss.edu.hk accessibility score

66

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

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

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

cytss.edu.hk best practices score

62

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

High

Registers an unload listener

Low

Detected JavaScript libraries

SEO Factors

cytss.edu.hk SEO score

83

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

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    N/A

  • Language Claimed

    N/A

  • Encoding

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Cytss.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 Cytss.edu.hk main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

cytss.edu.hk

Open Graph description is not detected on the main page of Cytss. 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: