Access lskps.edu.hk. 香港青年協會李兆基小學

name

value

score

weighting

FCP (First Contentful Paint)

Value11.9 s

0/100

10%

LCP (Largest Contentful Paint)

Value13.5 s

0/100

25%

SI (Speed Index)

Value21.4 s

0/100

10%

TBT (Total Blocking Time)

Value50 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.093

91/100

15%

TTI (Time to Interactive)

Value14.8 s

8/100

10%

lskps.edu.hk

3104 ms

Orange_green.css

448 ms

swfobject_modified.js

1178 ms

ezdata.js

947 ms

jquery.js

1472 ms

Our browser made a total of 68 requests to load all elements on the main page. We found that 97% of them (66 requests) were addressed to the original Lskps.edu.hk, 1% (1 request) were made to Ajax.googleapis.com and 1% (1 request) were made to Platform.twitter.com. The less responsive or slowest element that took the longest time to load (5.5 sec) belongs to the original domain Lskps.edu.hk.

Content Size

3.0 MB

After Optimization

2.5 MB

In fact, the total size of Lskps.edu.hk main page is 3.0 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. 25% of websites need less resources to load. Images take 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 171.2 kB

Original 204.3 kB
After minification 160.4 kB
After compression 33.0 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 43.9 kB, which is 21% 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 171.2 kB or 84% of the original size.

Image Optimization

-9%

Potential reduce by 240.2 kB

Original 2.6 MB
After minification 2.4 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. Lskps images are well optimized though.

JavaScript Optimization

-72%

Potential reduce by 150.5 kB

Original 207.8 kB
After minification 178.4 kB
After compression 57.3 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 150.5 kB or 72% of the original size.

CSS Optimization

-87%

Potential reduce by 18.9 kB

Original 21.9 kB
After minification 15.8 kB
After compression 2.9 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. Lskps.edu.hk needs all CSS files to be minified and compressed as it can save up to 18.9 kB or 87% of the original size.

Requests Now

After Optimization

The browser has sent 66 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Lskps. 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 as a result speed up the page load time.

Accessibility Issues

These are opportunities to improve the legibility of your content.

High

Background and foreground colors do not have a sufficient contrast ratio.

These are opportunities to improve the interpretation of your content by users in different locales.

High

<html> element does not have a [lang] attribute

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.

High

Image elements do not have [alt] attributes

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

Areas of Improvement

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

Search Engine Optimization Advices

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

High

Links are not crawlable

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

High

Image elements do not have [alt] attributes

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/).

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 Lskps.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 Lskps.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

lskps.edu.hk

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

Report Summary

Performance

Accessibility

Best Practices

SEO

香港青年協會李兆基小學 | HKFYG Lee Shau Kee Primary School

Page Load Speed

First Response

Resources Loaded

Page Rendered

About Website

Key Findings

Performance Metrics

Measured Metrics

FCP (First Contentful Paint)

LCP (Largest Contentful Paint)

SI (Speed Index)

TBT (Total Blocking Time)

CLS (Cumulative Layout Shift)

TTI (Time to Interactive)

Network Requests Diagram

lskps.edu.hk

Orange_green.css

swfobject_modified.js

ezdata.js

jquery.js

Page Optimization Overview & Recommendations

Content Size

After Optimization

HTML Optimization

Image Optimization

JavaScript Optimization

CSS Optimization

Requests Breakdown

Requests Now

After Optimization

Network Requests Diagram

lskps.edu.hk

Orange_green.css

swfobject_modified.js

ezdata.js

jquery.js

tooltips.js

jquery.min.js

tip.css

ezloader.js

ezmenuie.js

bg5.jpg

arrow.gif

lsk-logo_l.gif

lsk-logo_r.gif

15th_banner(new).png

15th_%20frog_final(2).png

facebookicon.gif

youtubeicon.gif

twitter.jpg

eclass.png

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