Tools & Wizards About Us
st-johannes.edu.hk screenshot

Report Summary

  • 66

    Performance

    Renders faster than
    79% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

st-johannes.edu.hk

Page Load Speed

6.2 sec in total

First Response

1.1 sec

Resources Loaded

4.7 sec

Page Rendered

479 ms

st-johannes.edu.hk screenshot

About Website

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

Visit st-johannes.edu.hk

Key Findings

We analyzed St-johannes.edu.hk page load time and found that the first response time was 1.1 sec and then it took 5.1 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

st-johannes.edu.hk performance score

66

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

45/100

10%

LCP (Largest Contentful Paint)

Value6.9 s

6/100

25%

SI (Speed Index)

Value5.3 s

58/100

10%

TBT (Total Blocking Time)

Value10 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value3.6 s

91/100

10%

Network Requests Diagram

st-johannes.edu.hk

1054 ms

style.min.css

389 ms

style.min.css

392 ms

animation.css

392 ms

style.css

396 ms

Our browser made a total of 30 requests to load all elements on the main page. We found that 83% of them (25 requests) were addressed to the original St-johannes.edu.hk, 10% (3 requests) were made to Em-content.zobj.net and 3% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (3 sec) belongs to the original domain St-johannes.edu.hk.

Page Optimization Overview & Recommendations

Page size can be reduced by 378.7 kB (18%)

Content Size

2.2 MB

After Optimization

1.8 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of St-johannes.edu.hk main page is 2.2 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 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 103.5 kB

  • Original 123.4 kB
  • After minification 121.0 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 103.5 kB or 84% of the original size.

Image Optimization

-14%

Potential reduce by 274.0 kB

  • Original 2.0 MB
  • After minification 1.7 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, St Johannes needs image optimization as it can save up to 274.0 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 496 B

  • Original 53.8 kB
  • After minification 53.6 kB
  • After compression 53.3 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. This website has mostly compressed JavaScripts.

CSS Optimization

-6%

Potential reduce by 757 B

  • Original 11.8 kB
  • After minification 11.8 kB
  • After compression 11.0 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. St-johannes.edu.hk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 13 (46%)

Requests Now

28

After Optimization

15

  • Images
  • JavaScript
  • CSS

The browser has sent 28 CSS, Javascripts, AJAX and image requests in order to completely render the main page of St Johannes. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 8 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

st-johannes.edu.hk

st-johannes.edu.hk

1054 ms

style.min.css

style.min.css

389 ms

style.min.css

style.min.css

392 ms

animation.css

animation.css

392 ms

style.css

style.css

396 ms

general.css

general.css

394 ms

style-10.css

style-10.css

396 ms

css

css

32 ms

jquery.min.js

jquery.min.js

586 ms

jquery-migrate.min.js

jquery-migrate.min.js

597 ms

waypoints.min.js

waypoints.min.js

600 ms

touch.js

touch.js

600 ms

jquery.js

jquery.js

602 ms

ajaxdata.js

ajaxdata.js

603 ms

view.min.js

view.min.js

782 ms

wp-polyfill-importmap.min.js

wp-polyfill-importmap.min.js

212 ms

telephone_260e-fe0f.png

telephone_260e-fe0f.png

59 ms

printer_1f5a8-fe0f.png

printer_1f5a8-fe0f.png

69 ms

envelope_2709.png

envelope_2709.png

80 ms

SJC-Logo.png

SJC-Logo.png

794 ms

P1056924-scaled.jpg

P1056924-scaled.jpg

1786 ms

Screen-Shot-2024-04-25-at-3.43.16-PM.png

Screen-Shot-2024-04-25-at-3.43.16-PM.png

2965 ms

80560942_737550093321589_6914604906531782656_n-e1719903898898.jpeg

80560942_737550093321589_6914604906531782656_n-e1719903898898.jpeg

1203 ms

image-15.png

image-15.png

1009 ms

virtue.png

virtue.png

1010 ms

community-icon.png

community-icon.png

1184 ms

knowledge.png

knowledge.png

1402 ms

image-12.png

image-12.png

1207 ms

image-11.png

image-11.png

1380 ms

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

memSYaGs126MiZpBA-UvWbX2vVnXBbObj2OVZyOOSr4dVJWUgsjZ0B4gaVc.ttf

18 ms

Accessibility Review

st-johannes.edu.hk accessibility score

87

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

Best Practices

st-johannes.edu.hk best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

st-johannes.edu.hk SEO score

85

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

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise St-johannes.edu.hk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and it matches the claimed language. Our system also found out that St-johannes.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

st-johannes.edu.hk

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