Tools & Wizards About Us

Report Summary

  • 78

    Performance

    Renders faster than
    85% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

radnorhouse.org

Radnor House | Independent Prep School | Sixth Form London

Page Load Speed

1.7 sec in total

First Response

223 ms

Resources Loaded

1.4 sec

Page Rendered

125 ms

About Website

Visit radnorhouse.org now to see the best up-to-date Radnor House content and also check out these interesting facts you probably never knew about radnorhouse.org

Radnor House is a London co-educational independent day school in Twickenham. located in historic buildings on the banks of the River Thames, South West London.

Visit radnorhouse.org

Key Findings

We analyzed Radnorhouse.org page load time and found that the first response time was 223 ms and then it took 1.5 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

radnorhouse.org performance score

78

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value1.5 s

95/100

10%

LCP (Largest Contentful Paint)

Value4.3 s

43/100

25%

SI (Speed Index)

Value2.3 s

99/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.248

50/100

15%

TTI (Time to Interactive)

Value1.9 s

100/100

10%

Network Requests Diagram

radnorhouse.org

223 ms

style.css

214 ms

frn1czl.js

70 ms

radnor-house-logo.jpg

214 ms

bg.jpg

856 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that 46% of them (6 requests) were addressed to the original Radnorhouse.org, 54% (7 requests) were made to Use.typekit.net. The less responsive or slowest element that took the longest time to load (856 ms) belongs to the original domain Radnorhouse.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 82.1 kB (7%)

Content Size

1.1 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • CSS

In fact, the total size of Radnorhouse.org 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. 15% of websites need less resources to load. Images take 1.1 MB which makes up the majority of the site volume.

HTML Optimization

-90%

Potential reduce by 16.7 kB

  • Original 18.4 kB
  • After minification 16.4 kB
  • After compression 1.8 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 2.0 kB, which is 11% 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 16.7 kB or 90% of the original size.

Image Optimization

-5%

Potential reduce by 53.1 kB

  • Original 1.1 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. Radnor House images are well optimized though.

CSS Optimization

-74%

Potential reduce by 12.4 kB

  • Original 16.7 kB
  • After minification 16.5 kB
  • After compression 4.3 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. Radnorhouse.org needs all CSS files to be minified and compressed as it can save up to 12.4 kB or 74% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

6

After Optimization

6

  • Images
  • JavaScript
  • CSS

The browser has sent 6 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Radnor House. According to our analytics all requests are already optimized.

Network Requests Diagram

Accessibility Review

radnorhouse.org accessibility score

96

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.

Best Practices

radnorhouse.org best practices score

83

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

SEO Factors

radnorhouse.org SEO score

100

Search Engine Optimization Advices

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 Radnorhouse.org 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 Radnorhouse.org 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 Radnor House. 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: