Tools & Wizards About Us

Report Summary

  • 45

    Performance

    Renders faster than
    64% 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

  • 86

    SEO

    Google-friendlier than
    60% of websites

kcobaps2.edu.hk

英皇書院同學會小學第二校 | King's College Old Boy's Association Primary School No.2

Page Load Speed

19 sec in total

First Response

644 ms

Resources Loaded

18 sec

Page Rendered

301 ms

About Website

Visit kcobaps2.edu.hk now to see the best up-to-date Kcobaps 2 content for Hong Kong and also check out these interesting facts you probably never knew about kcobaps2.edu.hk

本校以「慎思篤行」為校訓，致力培養學生凡事要謹慎思考明辨事理，信守真理切實履行，在此日新月異的世界，我們仍將綽有餘裕，邁步前進。同時，我們本著有教無類及因材施教的宗旨，為學生提供優良的學習環境及編訂均衡的課程，讓學生愉快地學習，有充分機會發展個人潛能，培育學生成為「德、智、體、群、美」五育兼備的好學生和積極向上、獨立思考、不斷學習、富責任心的好公民。

Visit kcobaps2.edu.hk

Key Findings

We analyzed Kcobaps2.edu.hk page load time and found that the first response time was 644 ms and then it took 18.3 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster.

Performance Metrics

kcobaps2.edu.hk performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

22/100

10%

LCP (Largest Contentful Paint)

Value20.1 s

0/100

25%

SI (Speed Index)

Value13.8 s

1/100

10%

TBT (Total Blocking Time)

Value100 ms

98/100

30%

CLS (Cumulative Layout Shift)

Value0.152

75/100

15%

TTI (Time to Interactive)

Value11.4 s

19/100

10%

Network Requests Diagram

kcobaps2.edu.hk

644 ms

kcobaps2.edu.hk

2297 ms

css_xE-rWrJf-fncB6ztZfd2huxqgxu4WO-qwma6Xer30m4.css

671 ms

css_EPsgvacVXxxhwhLr4DGj8P1D4es4L_QnnRJPHn_TJHE.css

678 ms

css_yPO-8UFbs7glZLsO0HLhRDafImT-bpnScBpyS7B_cTA.css

680 ms

Our browser made a total of 99 requests to load all elements on the main page. We found that all of those requests were addressed to Kcobaps2.edu.hk and no external sources were called. The less responsive or slowest element that took the longest time to load (7.2 sec) belongs to the original domain Kcobaps2.edu.hk.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.8 MB (44%)

Content Size

4.1 MB

After Optimization

2.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Kcobaps2.edu.hk main page is 4.1 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. 40% of websites need less resources to load. Images take 3.7 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 54.3 kB

  • Original 66.8 kB
  • After minification 62.6 kB
  • After compression 12.5 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 54.3 kB or 81% of the original size.

Image Optimization

-41%

Potential reduce by 1.5 MB

  • Original 3.7 MB
  • After minification 2.2 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, Kcobaps 2 needs image optimization as it can save up to 1.5 MB or 41% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-69%

Potential reduce by 236.7 kB

  • Original 341.5 kB
  • After minification 266.2 kB
  • After compression 104.8 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 236.7 kB or 69% of the original size.

CSS Optimization

-77%

Potential reduce by 61.8 kB

  • Original 80.1 kB
  • After minification 66.4 kB
  • After compression 18.3 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. Kcobaps2.edu.hk needs all CSS files to be minified and compressed as it can save up to 61.8 kB or 77% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (24%)

Requests Now

95

After Optimization

72

  • Images
  • JavaScript
  • CSS

The browser has sent 95 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Kcobaps 2. 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 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

kcobaps2.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

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

kcobaps2.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

kcobaps2.edu.hk SEO score

86

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

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 Kcobaps2.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 Kcobaps2.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 Kcobaps 2. 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: