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barts-londonschooltrust.org.uk screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    69% 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

  • 92

    SEO

    Google-friendlier than
    74% of websites

barts-londonschooltrust.org.uk

The Medical College of Saint Bartholomew's Hospital Trust

Page Load Speed

4.7 sec in total

First Response

1.3 sec

Resources Loaded

3.2 sec

Page Rendered

171 ms

barts-londonschooltrust.org.uk screenshot

About Website

Visit barts-londonschooltrust.org.uk now to see the best up-to-date Bartslondonschool Trust content and also check out these interesting facts you probably never knew about barts-londonschooltrust.org.uk

The Medical College of Saint Bartholomew’s Hospital Trust promotes and advances medical and dental education and research at Barts and the London Faculty of Medicine and Dentistry, Queen Mary Universi...

Visit barts-londonschooltrust.org.uk

Key Findings

We analyzed Barts-londonschooltrust.org.uk page load time and found that the first response time was 1.3 sec and then it took 3.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.

Performance Metrics

barts-londonschooltrust.org.uk performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.9 s

1/100

10%

LCP (Largest Contentful Paint)

Value7.0 s

6/100

25%

SI (Speed Index)

Value9.7 s

11/100

10%

TBT (Total Blocking Time)

Value80 ms

99/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value7.7 s

45/100

10%

Network Requests Diagram

barts-londonschooltrust.org.uk

1346 ms

style.css

466 ms

css

20 ms

jquery.min.js

28 ms

jquery.cookie.js

391 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 47% of them (7 requests) were addressed to the original Barts-londonschooltrust.org.uk, 20% (3 requests) were made to Fonts.gstatic.com and 13% (2 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.3 sec) belongs to the original domain Barts-londonschooltrust.org.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 189.3 kB (26%)

Content Size

733.1 kB

After Optimization

543.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Barts-londonschooltrust.org.uk main page is 733.1 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 25% of websites need less resources to load. Images take 657.8 kB which makes up the majority of the site volume.

HTML Optimization

-69%

Potential reduce by 4.1 kB

  • Original 6.0 kB
  • After minification 5.4 kB
  • After compression 1.9 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 638 B, 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 4.1 kB or 69% of the original size.

Image Optimization

-26%

Potential reduce by 172.7 kB

  • Original 657.8 kB
  • After minification 485.1 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, Bartslondonschool Trust needs image optimization as it can save up to 172.7 kB or 26% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 1.0 kB

  • Original 55.0 kB
  • After minification 54.8 kB
  • After compression 54.0 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

-80%

Potential reduce by 11.5 kB

  • Original 14.3 kB
  • After minification 10.5 kB
  • After compression 2.9 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. Barts-londonschooltrust.org.uk needs all CSS files to be minified and compressed as it can save up to 11.5 kB or 80% of the original size.

Requests Breakdown

Number of requests can be reduced by 4 (36%)

Requests Now

11

After Optimization

7

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 11 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Bartslondonschool Trust. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

barts-londonschooltrust.org.uk

barts-londonschooltrust.org.uk

1346 ms

style.css

style.css

466 ms

css

css

20 ms

jquery.min.js

jquery.min.js

28 ms

jquery.cookie.js

jquery.cookie.js

391 ms

cookie_scs.js

cookie_scs.js

394 ms

wlp2gwHKFkZgtmSR3NB0oRJfbwhW.ttf

wlp2gwHKFkZgtmSR3NB0oRJfbwhW.ttf

33 ms

wlppgwHKFkZgtmSR3NB0oRJXsCxGDNNV.ttf

wlppgwHKFkZgtmSR3NB0oRJXsCxGDNNV.ttf

35 ms

wlppgwHKFkZgtmSR3NB0oRJX1C1GDNNV.ttf

wlppgwHKFkZgtmSR3NB0oRJX1C1GDNNV.ttf

36 ms

analytics.js

analytics.js

33 ms

crest.png

crest.png

83 ms

menu.png

menu.png

80 ms

bg.jpg

bg.jpg

1326 ms

collect

collect

28 ms

js

js

62 ms

Accessibility Review

barts-londonschooltrust.org.uk accessibility score

94

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

barts-londonschooltrust.org.uk 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

SEO Factors

barts-londonschooltrust.org.uk SEO score

92

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

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 Barts-londonschooltrust.org.uk 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 Barts-londonschooltrust.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

barts-londonschooltrust.org.uk

Open Graph description is not detected on the main page of Bartslondonschool Trust. 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: