Tools & Wizards About Us
plkylsc.edu.hk screenshot

Report Summary

  • 32

    Performance

    Renders faster than
    52% of other websites

  • 67

    Accessibility

    Visual factors better than
    that of 32% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

plkylsc.edu.hk

保良局姚連生中學 | Po Leung Kuk Yao Ling Sun College

Page Load Speed

6.2 sec in total

First Response

663 ms

Resources Loaded

5.2 sec

Page Rendered

321 ms

plkylsc.edu.hk screenshot

About Website

Click here to check amazing Plkylsc content for Hong Kong. Otherwise, check out these important facts you probably never knew about plkylsc.edu.hk

學校簡介 本校得建築界翹楚姚連生先生捐款，於1982年創立，植根於新界荃灣石圍角邨，為一所政府津貼全日制男女文法中學。 辦學方針 秉承保良局「保赤安良」的宗旨，以社會利益為最大依歸，迅速回應社會的變遷，並以學生為本，為莘莘學子提供優良的教育服務。 The School Founded by Mr. Yao Ling Sun, a prominent architect, our school wa...

Visit plkylsc.edu.hk

Key Findings

We analyzed Plkylsc.edu.hk page load time and found that the first response time was 663 ms and then it took 5.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

plkylsc.edu.hk performance score

32

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.3 s

7/100

10%

LCP (Largest Contentful Paint)

Value20.4 s

0/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value200 ms

90/100

30%

CLS (Cumulative Layout Shift)

Value0.528

14/100

15%

TTI (Time to Interactive)

Value12.0 s

16/100

10%

Network Requests Diagram

plkylsc.edu.hk

663 ms

plkylsc.edu.hk

926 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

240 ms

css_EPsgvacVXxxhwhLr4DGj8P1D4es4L_QnnRJPHn_TJHE.css

463 ms

css_yPO-8UFbs7glZLsO0HLhRDafImT-bpnScBpyS7B_cTA.css

651 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 95% of them (56 requests) were addressed to the original Plkylsc.edu.hk, 2% (1 request) were made to Fonts.googleapis.com and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.9 sec) belongs to the original domain Plkylsc.edu.hk.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (47%)

Content Size

2.3 MB

After Optimization

1.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Plkylsc.edu.hk main page is 2.3 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. 30% of websites need less resources to load. Images take 1.9 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 37.3 kB

  • Original 46.8 kB
  • After minification 44.5 kB
  • After compression 9.5 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 37.3 kB or 80% of the original size.

Image Optimization

-43%

Potential reduce by 804.4 kB

  • Original 1.9 MB
  • After minification 1.1 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. Obviously, Plkylsc needs image optimization as it can save up to 804.4 kB or 43% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-58%

Potential reduce by 141.9 kB

  • Original 243.2 kB
  • After minification 191.7 kB
  • After compression 101.3 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 141.9 kB or 58% of the original size.

CSS Optimization

-81%

Potential reduce by 86.2 kB

  • Original 106.4 kB
  • After minification 95.8 kB
  • After compression 20.2 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. Plkylsc.edu.hk needs all CSS files to be minified and compressed as it can save up to 86.2 kB or 81% of the original size.

Requests Breakdown

Number of requests can be reduced by 24 (43%)

Requests Now

56

After Optimization

32

  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Plkylsc. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and from 11 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

plkylsc.edu.hk

plkylsc.edu.hk

663 ms

plkylsc.edu.hk

plkylsc.edu.hk

926 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

240 ms

css_EPsgvacVXxxhwhLr4DGj8P1D4es4L_QnnRJPHn_TJHE.css

css_EPsgvacVXxxhwhLr4DGj8P1D4es4L_QnnRJPHn_TJHE.css

463 ms

css_yPO-8UFbs7glZLsO0HLhRDafImT-bpnScBpyS7B_cTA.css

css_yPO-8UFbs7glZLsO0HLhRDafImT-bpnScBpyS7B_cTA.css

651 ms

js_yMSKTzBO0KmozyLwajzFOrrt_kto_9mtccAkb0rm7gc.js

js_yMSKTzBO0KmozyLwajzFOrrt_kto_9mtccAkb0rm7gc.js

995 ms

css2

css2

49 ms

style.css

style.css

1129 ms

mobile.css

mobile.css

676 ms

aos.css

aos.css

941 ms

ddsmoothmenu.css

ddsmoothmenu.css

708 ms

jquery.min.js

jquery.min.js

41 ms

ddsmoothmenu.js

ddsmoothmenu.js

1192 ms

ddaccordion.js

ddaccordion.js

968 ms

common.js

common.js

939 ms

jquery.mousewheel-3.0.6.pack.js

jquery.mousewheel-3.0.6.pack.js

1162 ms

jquery.fancybox.js

jquery.fancybox.js

1419 ms

jquery.fancybox.css

jquery.fancybox.css

1202 ms

jquery.fancybox-buttons.css

jquery.fancybox-buttons.css

1214 ms

jquery.fancybox-buttons.js

jquery.fancybox-buttons.js

1353 ms

jquery.fancybox-thumbs.css

jquery.fancybox-thumbs.css

1384 ms

jquery.fancybox-thumbs.js

jquery.fancybox-thumbs.js

1415 ms

jquery.fancybox-media.js

jquery.fancybox-media.js

1433 ms

fancybox.js

fancybox.js

1439 ms

modernizr.min.js

modernizr.min.js

1604 ms

jquery.slicknav.js

jquery.slicknav.js

1678 ms

js

js

60 ms

aos.js

aos.js

1695 ms

right.png

right.png

448 ms

space.gif

space.gif

459 ms

loading2.gif

loading2.gif

463 ms

bg.jpg

bg.jpg

1560 ms

logotxt.png

logotxt.png

261 ms

logo.png

logo.png

495 ms

handball.jpg

handball.jpg

286 ms

dsc_0756.jpg

dsc_0756.jpg

352 ms

dsc_7787.jpg

dsc_7787.jpg

293 ms

nkm_4745.jpg

nkm_4745.jpg

533 ms

nkm_4235.jpg

nkm_4235.jpg

553 ms

dsc01536.jpg

dsc01536.jpg

624 ms

dscf4608.jpg

dscf4608.jpg

700 ms

ying_mu_xie_qu_hua_mian_2024-07-23_115047.png

ying_mu_xie_qu_hua_mian_2024-07-23_115047.png

1166 ms

nophoto_1.jpg

nophoto_1.jpg

784 ms

cyberdefender_logo_400w.png

cyberdefender_logo_400w.png

820 ms

ers.png

ers.png

1339 ms

icon_login.png

icon_login.png

920 ms

top_home.png

top_home.png

992 ms

top_sitemap.png

top_sitemap.png

1024 ms

title_award.png

title_award.png

1153 ms

icon_calendar.png

icon_calendar.png

1222 ms

title_photo.png

title_photo.png

1250 ms

title_news.png

title_news.png

1367 ms

link_video.png

link_video.png

1759 ms

link_eResources.png

link_eResources.png

1724 ms

link_links.png

link_links.png

1791 ms

link_contactus.png

link_contactus.png

1577 ms

footer_bg.png

footer_bg.png

1948 ms

school.png

school.png

1800 ms

cd-top-arrow.svg

cd-top-arrow.svg

1794 ms

Accessibility Review

plkylsc.edu.hk accessibility score

67

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

Tables and lists

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

Impact

Issue

High

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

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

plkylsc.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

plkylsc.edu.hk SEO score

79

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

Links do not have descriptive text

High

Image elements do not have [alt] attributes

Crawling and Indexing

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

Impact

Issue

High

Links are not crawlable

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

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Plkylsc.edu.hk can be misinterpreted by Google and other search engines. Our service has detected that English 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 Plkylsc.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

plkylsc.edu.hk

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