Report Summary

  • 62

    Performance

    Renders faster than
    77% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

stchristophersschool.org.uk

St Christopher's Independent Prep School | Wembley, Middlesex

Page Load Speed

5.9 sec in total

First Response

118 ms

Resources Loaded

3 sec

Page Rendered

2.8 sec

stchristophersschool.org.uk screenshot

About Website

Visit stchristophersschool.org.uk now to see the best up-to-date St Christopher S School content and also check out these interesting facts you probably never knew about stchristophersschool.org.uk

Welcome to St Christopher's Independent Prep School in Wembley. Please find out more about us by browsing our website.

Visit stchristophersschool.org.uk

Key Findings

We analyzed Stchristophersschool.org.uk page load time and found that the first response time was 118 ms and then it took 5.8 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

stchristophersschool.org.uk performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

47/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value4.8 s

67/100

10%

TBT (Total Blocking Time)

Value210 ms

88/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value6.0 s

65/100

10%

Network Requests Diagram

stchristophersschool.org.uk

118 ms

www.stchristophersschool.org.uk

403 ms

yxq4oxz.css

272 ms

normalize.css

97 ms

main.css

111 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 35% of them (15 requests) were addressed to the original Stchristophersschool.org.uk, 42% (18 requests) were made to D3jbe4l5b9vcpe.cloudfront.net and 12% (5 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source D3jbe4l5b9vcpe.cloudfront.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 109.1 kB (6%)

Content Size

1.9 MB

After Optimization

1.8 MB

In fact, the total size of Stchristophersschool.org.uk main page is 1.9 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. 45% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 57.7 kB

  • Original 71.6 kB
  • After minification 62.2 kB
  • After compression 13.9 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. This page needs HTML code to be minified as it can gain 9.4 kB, which is 13% 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 57.7 kB or 81% of the original size.

Image Optimization

-2%

Potential reduce by 40.9 kB

  • Original 1.7 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. St Christopher S School images are well optimized though.

JavaScript Optimization

-5%

Potential reduce by 1.6 kB

  • Original 34.7 kB
  • After minification 34.5 kB
  • After compression 33.1 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

-36%

Potential reduce by 8.8 kB

  • Original 24.6 kB
  • After minification 24.6 kB
  • After compression 15.8 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. Stchristophersschool.org.uk needs all CSS files to be minified and compressed as it can save up to 8.8 kB or 36% of the original size.

Requests Breakdown

Number of requests can be reduced by 15 (41%)

Requests Now

37

After Optimization

22

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of St Christopher S School. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 7 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

stchristophersschool.org.uk accessibility score

92

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

Links do not have a discernible name

Best Practices

stchristophersschool.org.uk 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

stchristophersschool.org.uk SEO score

93

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

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 Stchristophersschool.org.uk 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 Stchristophersschool.org.uk 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 data is detected on the main page of St Christopher S School. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: