Tools & Wizards About Us
uclh.nhs.uk screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

uclh.nhs.uk

Home : University College London Hospitals NHS Foundation Trust

Page Load Speed

5.8 sec in total

First Response

170 ms

Resources Loaded

5.3 sec

Page Rendered

300 ms

uclh.nhs.uk screenshot

About Website

Visit uclh.nhs.uk now to see the best up-to-date Uclh content for United Kingdom and also check out these interesting facts you probably never knew about uclh.nhs.uk

UCLH provides first-class acute and specialist services in six hospitals in central London. Our mission is to deliver top-quality patient care, excellent education and world-class research.

Visit uclh.nhs.uk

Key Findings

We analyzed Uclh.nhs.uk page load time and found that the first response time was 170 ms and then it took 5.6 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

uclh.nhs.uk performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

39/100

10%

LCP (Largest Contentful Paint)

Value3.9 s

53/100

25%

SI (Speed Index)

Value16.6 s

0/100

10%

TBT (Total Blocking Time)

Value360 ms

72/100

30%

CLS (Cumulative Layout Shift)

Value0.254

49/100

15%

TTI (Time to Interactive)

Value13.6 s

11/100

10%

Network Requests Diagram

uclh.nhs.uk

170 ms

www.uclh.nhs.uk

1427 ms

bootstrap.min.css

410 ms

style.css

482 ms

font-awesome.css

495 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 97% of them (60 requests) were addressed to the original Uclh.nhs.uk, 2% (1 request) were made to Translate.google.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (3.4 sec) belongs to the original domain Uclh.nhs.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.5 MB (30%)

Content Size

4.9 MB

After Optimization

3.4 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Uclh.nhs.uk main page is 4.9 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. 50% of websites need less resources to load. Images take 4.1 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 579.4 kB

  • Original 633.7 kB
  • After minification 597.6 kB
  • After compression 54.3 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 579.4 kB or 91% of the original size.

Image Optimization

-22%

Potential reduce by 894.0 kB

  • Original 4.1 MB
  • After minification 3.2 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. Obviously, Uclh needs image optimization as it can save up to 894.0 kB or 22% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-1%

Potential reduce by 525 B

  • Original 65.8 kB
  • After minification 65.8 kB
  • After compression 65.3 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

-1%

Potential reduce by 352 B

  • Original 46.1 kB
  • After minification 46.1 kB
  • After compression 45.7 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. Uclh.nhs.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 24 (43%)

Requests Now

56

After Optimization

32

  • Images
  • JavaScript
  • CSS

The browser has sent 56 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Uclh. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and from 13 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

uclh.nhs.uk

uclh.nhs.uk

170 ms

www.uclh.nhs.uk

www.uclh.nhs.uk

1427 ms

bootstrap.min.css

bootstrap.min.css

410 ms

style.css

style.css

482 ms

font-awesome.css

font-awesome.css

495 ms

jquery.js

jquery.js

504 ms

cke-plugin.css

cke-plugin.css

420 ms

view.css

view.css

418 ms

owl.carousel.min.css

owl.carousel.min.css

488 ms

view.css

view.css

501 ms

view.css

view.css

501 ms

view.css

view.css

562 ms

view.css

view.css

569 ms

view.css

view.css

574 ms

cookieconsent.min.css

cookieconsent.min.css

580 ms

modernizr.js

modernizr.js

363 ms

js-cookie.min.js

js-cookie.min.js

363 ms

jquery.matchHeight.min.js

jquery.matchHeight.min.js

364 ms

cookieconsent.min.js

cookieconsent.min.js

364 ms

scripts.min.js

scripts.min.js

617 ms

accessibility-controls.min.js

accessibility-controls.min.js

365 ms

element.js

element.js

619 ms

view.js

view.js

365 ms

owl.carousel.min.js

owl.carousel.min.js

366 ms

view.js

view.js

410 ms

view.js

view.js

415 ms

js

js

60 ms

uclh-logo.svg

uclh-logo.svg

386 ms

FINAL_Jennings-24042024-colour_v2.jpg

FINAL_Jennings-24042024-colour_v2.jpg

2791 ms

BannerVisit2.jpg

BannerVisit2.jpg

519 ms

ovarian.png

ovarian.png

2015 ms

lung_cancer.png

lung_cancer.png

2150 ms

music_therapy.png

music_therapy.png

3407 ms

appticon.jpg

appticon.jpg

514 ms

mycareicon2.png

mycareicon2.png

673 ms

AZicon2.jpg

AZicon2.jpg

680 ms

visitoricon2.jpg

visitoricon2.jpg

909 ms

referral.png

referral.png

760 ms

GPportalcion.png

GPportalcion.png

841 ms

GPnewsicon.png

GPnewsicon.png

923 ms

GPcontact.png

GPcontact.png

1069 ms

checklisticon.png

checklisticon.png

1004 ms

educationicon.png

educationicon.png

1085 ms

apprenticeicon.png

apprenticeicon.png

1227 ms

volunteer_icon.png

volunteer_icon.png

1165 ms

researchtakeparticon.png

researchtakeparticon.png

1246 ms

researchhospitalicon.png

researchhospitalicon.png

1309 ms

dataicon.png

dataicon.png

1328 ms

finsastudyicon.png

finsastudyicon.png

1468 ms

LinkedIn_1.png

LinkedIn_1.png

1712 ms

Cath_Mummery_headshot.png

Cath_Mummery_headshot.png

3063 ms

Dangoor_PR__2.png

Dangoor_PR__2.png

2220 ms

research-image-1.png

research-image-1.png

1970 ms

research-image-2.png

research-image-2.png

2051 ms

research-image-3.png

research-image-3.png

2101 ms

uclh-values.svg

uclh-values.svg

2133 ms

UCLH-Charity.png

UCLH-Charity.png

2181 ms

3963cec0-c35f-41fa-adb6-4ef3fc0bb056.woff

3963cec0-c35f-41fa-adb6-4ef3fc0bb056.woff

2194 ms

ef7e8467-66c5-4521-afc4-777f6cf72ec4.woff

ef7e8467-66c5-4521-afc4-777f6cf72ec4.woff

2294 ms

8b1cbfbd-4fa3-4330-8e32-552125871646.woff

8b1cbfbd-4fa3-4330-8e32-552125871646.woff

2258 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

2391 ms

print.css

print.css

84 ms

Accessibility Review

uclh.nhs.uk accessibility score

98

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

uclh.nhs.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

uclh.nhs.uk SEO score

91

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

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 Uclh.nhs.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 Uclh.nhs.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

uclh.nhs.uk

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