Report Summary

  • 39

    Performance

    Renders faster than
    59% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 36% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 80

    SEO

    Google-friendlier than
    42% of websites

lstyoungkhl.edu.hk

樂善堂楊葛小琳中學

Page Load Speed

6.7 sec in total

First Response

1.5 sec

Resources Loaded

4.3 sec

Page Rendered

882 ms

lstyoungkhl.edu.hk screenshot

About Website

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

Visit lstyoungkhl.edu.hk

Key Findings

We analyzed Lstyoungkhl.edu.hk page load time and found that the first response time was 1.5 sec and then it took 5.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

lstyoungkhl.edu.hk performance score

39

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value26.8 s

0/100

25%

SI (Speed Index)

Value14.0 s

1/100

10%

TBT (Total Blocking Time)

Value140 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.321

36/100

15%

TTI (Time to Interactive)

Value14.4 s

9/100

10%

Network Requests Diagram

lstyoungkhl.edu.hk

1495 ms

script.en.js

458 ms

script.js

1146 ms

style18.css

452 ms

AC_RunActiveContent.js

724 ms

Our browser made a total of 25 requests to load all elements on the main page. We found that all of those requests were addressed to Lstyoungkhl.edu.hk and no external sources were called. The less responsive or slowest element that took the longest time to load (2.1 sec) belongs to the original domain Lstyoungkhl.edu.hk.

Page Optimization Overview & Recommendations

Page size can be reduced by 75.0 kB (37%)

Content Size

202.4 kB

After Optimization

127.4 kB

In fact, the total size of Lstyoungkhl.edu.hk main page is 202.4 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. Only 10% of websites need less resources to load. Images take 126.0 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 33.7 kB

  • Original 39.5 kB
  • After minification 31.9 kB
  • After compression 5.7 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. This page needs HTML code to be minified as it can gain 7.6 kB, which is 19% 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 33.7 kB or 85% of the original size.

Image Optimization

-8%

Potential reduce by 10.5 kB

  • Original 126.0 kB
  • After minification 115.5 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. Lstyoungkhl images are well optimized though.

JavaScript Optimization

-84%

Potential reduce by 30.0 kB

  • Original 35.9 kB
  • After minification 23.7 kB
  • After compression 5.9 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 30.0 kB or 84% of the original size.

CSS Optimization

-76%

Potential reduce by 813 B

  • Original 1.1 kB
  • After minification 805 B
  • After compression 256 B

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. Lstyoungkhl.edu.hk needs all CSS files to be minified and compressed as it can save up to 813 B or 76% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

20

After Optimization

20

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lstyoungkhl. According to our analytics all requests are already optimized.

Accessibility Review

lstyoungkhl.edu.hk accessibility score

70

Accessibility Issues

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

lstyoungkhl.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

SEO Factors

lstyoungkhl.edu.hk SEO score

80

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

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

    ZH

  • Language Claimed

    N/A

  • Encoding

    BIG5

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Lstyoungkhl.edu.hk 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 Lstyoungkhl.edu.hk main page’s claimed encoding is big5. 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

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