Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 72% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 85

    SEO

    Google-friendlier than
    56% of websites

johnxxiii.edu.au

A co-educational Catholic college in Perth, Western Australia, catering for Kindergarten to Year 12. | John XXIII College

Page Load Speed

10.9 sec in total

First Response

688 ms

Resources Loaded

9.7 sec

Page Rendered

560 ms

johnxxiii.edu.au screenshot

About Website

Visit johnxxiii.edu.au now to see the best up-to-date John XXIII content for Australia and also check out these interesting facts you probably never knew about johnxxiii.edu.au

I extend to you a very warm welcome to the John XXIII College website where we offer you a glimpse of what our College has to offer for your child's education.

Visit johnxxiii.edu.au

Key Findings

We analyzed Johnxxiii.edu.au page load time and found that the first response time was 688 ms and then it took 10.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 90% of websites can load faster.

Performance Metrics

johnxxiii.edu.au performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.6 s

32/100

10%

LCP (Largest Contentful Paint)

Value8.6 s

1/100

25%

SI (Speed Index)

Value5.9 s

49/100

10%

TBT (Total Blocking Time)

Value420 ms

65/100

30%

CLS (Cumulative Layout Shift)

Value0.086

93/100

15%

TTI (Time to Interactive)

Value9.0 s

33/100

10%

Network Requests Diagram

johnxxiii.edu.au

688 ms

www.johnxxiii.edu.au

1485 ms

custom.css

1074 ms

custom.config.less

1915 ms

ae097995-f3b7-4125-b7ab-b223ca086287.css

57 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 34% of them (21 requests) were addressed to the original Johnxxiii.edu.au, 30% (18 requests) were made to D3myocbokm9x9s.cloudfront.net and 11% (7 requests) were made to Fast.fonts.com. The less responsive or slowest element that took the longest time to load (6 sec) relates to the external source Millstreamcms-07.imgix.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 331.8 kB (29%)

Content Size

1.1 MB

After Optimization

818.1 kB

In fact, the total size of Johnxxiii.edu.au main page is 1.1 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 687.3 kB which makes up the majority of the site volume.

HTML Optimization

-85%

Potential reduce by 103.0 kB

  • Original 121.3 kB
  • After minification 98.1 kB
  • After compression 18.2 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 23.1 kB, which is 19% 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 103.0 kB or 85% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 687.3 kB
  • After minification 687.3 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. John XXIII images are well optimized though.

JavaScript Optimization

-63%

Potential reduce by 178.5 kB

  • Original 281.4 kB
  • After minification 274.5 kB
  • After compression 102.8 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 178.5 kB or 63% of the original size.

CSS Optimization

-84%

Potential reduce by 50.2 kB

  • Original 59.9 kB
  • After minification 59.1 kB
  • After compression 9.7 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. Johnxxiii.edu.au needs all CSS files to be minified and compressed as it can save up to 50.2 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 23 (47%)

Requests Now

49

After Optimization

26

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of John XXIII. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 16 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

johnxxiii.edu.au accessibility score

89

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.

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

johnxxiii.edu.au best practices score

83

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

SEO Factors

johnxxiii.edu.au 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

High

Tap targets are not sized appropriately

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 Johnxxiii.edu.au 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 Johnxxiii.edu.au 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 John XXIII. 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: