Tools & Wizards About Us
dwightlondon.org screenshot

Report Summary

  • 12

    Performance

    Renders faster than
    25% of other websites

  • 94

    Accessibility

    Visual factors better than
    that of 83% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

dwightlondon.org

Independent International School | Private IB School | Dwight School London

Page Load Speed

2.5 sec in total

First Response

37 ms

Resources Loaded

1.9 sec

Page Rendered

504 ms

dwightlondon.org screenshot

About Website

Welcome to dwightlondon.org homepage info - get ready to check Dwight London best content for United Kingdom right away, or after learning these important things about dwightlondon.org

Dwight School London provides a world-class education with excellent student to teacher ratios for ages 2 to 18 years. A leading Independent International School for students 2-18. A world Internation...

Visit dwightlondon.org

Key Findings

We analyzed Dwightlondon.org page load time and found that the first response time was 37 ms and then it took 2.4 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

dwightlondon.org performance score

12

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.4 s

16/100

10%

LCP (Largest Contentful Paint)

Value14.8 s

0/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value1,030 ms

26/100

30%

CLS (Cumulative Layout Shift)

Value0.829

4/100

15%

TTI (Time to Interactive)

Value14.2 s

9/100

10%

Network Requests Diagram

dwightlondon.org

37 ms

www.dwightlondon.org

897 ms

gtm.js

48 ms

application-68e78079d27ec1a7e23429a9f12a4079b3d8cadb986b2299b1ef3514b70da431.css

139 ms

styles.cfm

157 ms

Our browser made a total of 27 requests to load all elements on the main page. We found that 52% of them (14 requests) were addressed to the original Dwightlondon.org, 26% (7 requests) were made to Use.typekit.net and 7% (2 requests) were made to Snap.licdn.com. The less responsive or slowest element that took the longest time to load (897 ms) belongs to the original domain Dwightlondon.org.

Page Optimization Overview & Recommendations

Page size can be reduced by 267.7 kB (24%)

Content Size

1.1 MB

After Optimization

854.3 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dwightlondon.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. 65% of websites need less resources to load. Javascripts take 689.1 kB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 52.1 kB

  • Original 63.2 kB
  • After minification 61.5 kB
  • After compression 11.1 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 52.1 kB or 82% of the original size.

Image Optimization

-29%

Potential reduce by 28.5 kB

  • Original 99.5 kB
  • After minification 71.1 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. Obviously, Dwight London needs image optimization as it can save up to 28.5 kB or 29% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-0%

Potential reduce by 43 B

  • Original 689.1 kB
  • After minification 689.1 kB
  • After compression 689.1 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

-69%

Potential reduce by 187.1 kB

  • Original 270.1 kB
  • After minification 83.1 kB
  • After compression 83.1 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. Dwightlondon.org needs all CSS files to be minified and compressed as it can save up to 187.1 kB or 69% of the original size.

Requests Breakdown

Number of requests can be reduced by 11 (69%)

Requests Now

16

After Optimization

5

  • Images
  • JavaScript
  • CSS

The browser has sent 16 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dwight London. 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 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

dwightlondon.org

dwightlondon.org

37 ms

www.dwightlondon.org

www.dwightlondon.org

897 ms

gtm.js

gtm.js

48 ms

application-68e78079d27ec1a7e23429a9f12a4079b3d8cadb986b2299b1ef3514b70da431.css

application-68e78079d27ec1a7e23429a9f12a4079b3d8cadb986b2299b1ef3514b70da431.css

139 ms

styles.cfm

styles.cfm

157 ms

main.css

main.css

66 ms

in_layout_head2-73f5b703a9352363cd8c423e976eae1fa1c206d1e456d555def0817fedae4217.js

in_layout_head2-73f5b703a9352363cd8c423e976eae1fa1c206d1e456d555def0817fedae4217.js

177 ms

application-53071597bc72f3cbf10346330f7761f6d92547fae5b1f3acfd976f354c306e1a.js

application-53071597bc72f3cbf10346330f7761f6d92547fae5b1f3acfd976f354c306e1a.js

170 ms

main.js

main.js

85 ms

vcd15cbe7772f49c399c6a5babf22c1241717689176015

vcd15cbe7772f49c399c6a5babf22c1241717689176015

85 ms

ifd7ofi.css

ifd7ofi.css

59 ms

p.css

p.css

39 ms

insight.min.js

insight.min.js

432 ms

logo-london-color.png

logo-london-color.png

343 ms

poweredby-7fe9cdfc8db6c2419477639e585e15f5fceee483b4a26452877dabab357cb391.svg

poweredby-7fe9cdfc8db6c2419477639e585e15f5fceee483b4a26452877dabab357cb391.svg

340 ms

d

d

131 ms

d

d

132 ms

d

d

134 ms

d

d

133 ms

d

d

132 ms

d

d

130 ms

icomoon.woff

icomoon.woff

387 ms

icomoon-454d742e9c5c08794dd39b1de06a9589f503c027289df05bfe91885e21faf135.woff

icomoon-454d742e9c5c08794dd39b1de06a9589f503c027289df05bfe91885e21faf135.woff

183 ms

bpa-icon-library.woff

bpa-icon-library.woff

181 ms

insight.beta.min.js

insight.beta.min.js

53 ms

main.js

main.js

66 ms

insight_tag_errors.gif

insight_tag_errors.gif

122 ms

Accessibility Review

dwightlondon.org accessibility score

94

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not have valid values

Best Practices

dwightlondon.org best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

dwightlondon.org SEO score

91

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

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

    EN

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Dwightlondon.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 Dwightlondon.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

dwightlondon.org

Open Graph data is detected on the main page of Dwight London. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: