Report Summary

  • 35

    Performance

    Renders faster than
    55% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 45% of websites

  • 62

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 58

    SEO

    Google-friendlier than
    20% of websites

plkshs.edu.hk

保良局蕭漢森小學

Page Load Speed

16.3 sec in total

First Response

699 ms

Resources Loaded

15.3 sec

Page Rendered

285 ms

plkshs.edu.hk screenshot

About Website

Visit plkshs.edu.hk now to see the best up-to-date Plkshs content for Hong Kong and also check out these interesting facts you probably never knew about plkshs.edu.hk

保良局蕭漢森小學P.L.K. Siu Hon Sum Primary School

Visit plkshs.edu.hk

Key Findings

We analyzed Plkshs.edu.hk page load time and found that the first response time was 699 ms and then it took 15.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster. This domain responded with an error, which can significantly jeopardize Plkshs.edu.hk rating and web reputation

Performance Metrics

plkshs.edu.hk performance score

35

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value8.2 s

2/100

25%

SI (Speed Index)

Value13.9 s

2/100

10%

TBT (Total Blocking Time)

Value140 ms

96/100

30%

CLS (Cumulative Layout Shift)

Value0.686

8/100

15%

TTI (Time to Interactive)

Value12.5 s

15/100

10%

Network Requests Diagram

plkshs.edu.hk

699 ms

index50.aspx

1523 ms

MasterPage50.css

450 ms

MasterPage50.css

456 ms

index50.css

689 ms

Our browser made a total of 137 requests to load all elements on the main page. We found that 93% of them (127 requests) were addressed to the original Plkshs.edu.hk, 6% (8 requests) were made to Aerodrive.plkshs.edu.hk and 1% (2 requests) were made to Eclass.plkshs.edu.hk. The less responsive or slowest element that took the longest time to load (5.5 sec) belongs to the original domain Plkshs.edu.hk.

Page Optimization Overview & Recommendations

Page size can be reduced by 538.1 kB (40%)

Content Size

1.4 MB

After Optimization

824.1 kB

In fact, the total size of Plkshs.edu.hk main page is 1.4 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. 20% of websites need less resources to load. Images take 797.3 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 116.6 kB

  • Original 136.5 kB
  • After minification 131.4 kB
  • After compression 19.9 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 116.6 kB or 85% of the original size.

Image Optimization

-12%

Potential reduce by 95.4 kB

  • Original 797.3 kB
  • After minification 701.9 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, Plkshs needs image optimization as it can save up to 95.4 kB or 12% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-76%

Potential reduce by 314.2 kB

  • Original 413.8 kB
  • After minification 346.4 kB
  • After compression 99.6 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 314.2 kB or 76% of the original size.

CSS Optimization

-81%

Potential reduce by 11.9 kB

  • Original 14.6 kB
  • After minification 8.1 kB
  • After compression 2.7 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. Plkshs.edu.hk needs all CSS files to be minified and compressed as it can save up to 11.9 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 71 (79%)

Requests Now

90

After Optimization

19

The browser has sent 90 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Plkshs. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 18 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

plkshs.edu.hk accessibility score

77

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not have valid values

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

plkshs.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

High

Browser errors were logged to the console

SEO Factors

plkshs.edu.hk SEO score

58

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

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 Plkshs.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 Plkshs.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

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