Tools & Wizards About Us
uhdb.nhs.uk screenshot

Report Summary

  • 50

    Performance

    Renders faster than
    68% of other websites

  • 99

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

uhdb.nhs.uk

Home | University Hospitals of Derby and Burton (UHDB) | University Hospitals of Derby and Burton NHS

Page Load Speed

3.1 sec in total

First Response

154 ms

Resources Loaded

2.7 sec

Page Rendered

294 ms

uhdb.nhs.uk screenshot

About Website

Welcome to uhdb.nhs.uk homepage info - get ready to check UHDB best content right away, or after learning these important things about uhdb.nhs.uk

The aim at University Hospitals of Derby and Burton (UHDB) is to deliver outstanding healthcare for local people in Southern Derbyshire and South-East Staffordshire.

Visit uhdb.nhs.uk

Key Findings

We analyzed Uhdb.nhs.uk page load time and found that the first response time was 154 ms and then it took 3 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

uhdb.nhs.uk performance score

50

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.3 s

17/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

7/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value240 ms

85/100

30%

CLS (Cumulative Layout Shift)

Value0.082

94/100

15%

TTI (Time to Interactive)

Value10.5 s

24/100

10%

Network Requests Diagram

uhdb.nhs.uk

154 ms

uhdb.nhs.uk

327 ms

www.uhdb.nhs.uk

771 ms

styles.css

167 ms

support-styles.css

245 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 80% of them (37 requests) were addressed to the original Uhdb.nhs.uk, 9% (4 requests) were made to Browsealoud.com and 7% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (992 ms) belongs to the original domain Uhdb.nhs.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.2 MB (33%)

Content Size

6.8 MB

After Optimization

4.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Uhdb.nhs.uk main page is 6.8 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. 40% of websites need less resources to load. Images take 6.6 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 63.1 kB

  • Original 79.0 kB
  • After minification 79.0 kB
  • After compression 15.9 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. 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 63.1 kB or 80% of the original size.

Image Optimization

-33%

Potential reduce by 2.1 MB

  • Original 6.6 MB
  • After minification 4.4 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, UHDB needs image optimization as it can save up to 2.1 MB or 33% 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 416 B

  • Original 43.1 kB
  • After minification 43.1 kB
  • After compression 42.7 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

-2%

Potential reduce by 802 B

  • Original 46.4 kB
  • After minification 46.3 kB
  • After compression 45.6 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. Uhdb.nhs.uk has all CSS files already compressed.

Requests Breakdown

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

Requests Now

37

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 37 CSS, Javascripts, AJAX and image requests in order to completely render the main page of UHDB. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and from 5 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

uhdb.nhs.uk

uhdb.nhs.uk

154 ms

uhdb.nhs.uk

uhdb.nhs.uk

327 ms

www.uhdb.nhs.uk

www.uhdb.nhs.uk

771 ms

styles.css

styles.css

167 ms

support-styles.css

support-styles.css

245 ms

modernizr-complete.min.js

modernizr-complete.min.js

316 ms

css

css

29 ms

ba.js

ba.js

17 ms

atlas.min.js

atlas.min.js

328 ms

megamenu.js

megamenu.js

323 ms

cycle.js

cycle.js

329 ms

ofi.min.js

ofi.min.js

337 ms

headroom.min.js

headroom.min.js

344 ms

plugins.js

plugins.js

390 ms

jquery.fileupload.css

jquery.fileupload.css

156 ms

jquery.fileupload-ui.css

jquery.fileupload-ui.css

165 ms

company-logo.png

company-logo.png

151 ms

img94joktmu768642.png

img94joktmu768642.png

375 ms

img94joktmu762411.png

img94joktmu762411.png

232 ms

img94joktmu762475.png

img94joktmu762475.png

204 ms

img94joktmu762421.png

img94joktmu762421.png

155 ms

img94joktmu762422.png

img94joktmu762422.png

141 ms

img94joktmu762423.png

img94joktmu762423.png

316 ms

img94joktmu732862.jpg

img94joktmu732862.jpg

473 ms

img94joktmu72126.jpg

img94joktmu72126.jpg

249 ms

img94joktmu732538.jpg

img94joktmu732538.jpg

371 ms

img94joktmu768733.png

img94joktmu768733.png

992 ms

img94joktmu768690.png

img94joktmu768690.png

798 ms

img94joktmu768126.png

img94joktmu768126.png

784 ms

img94joktmu768645.png

img94joktmu768645.png

556 ms

img94joktmu74104.png

img94joktmu74104.png

478 ms

img94joktmu74105.png

img94joktmu74105.png

579 ms

img94joktmu74106.png

img94joktmu74106.png

581 ms

version.json

version.json

16 ms

footer-skyline-off-white.png

footer-skyline-off-white.png

584 ms

S6uyw4BMUTPHjx4wWA.woff

S6uyw4BMUTPHjx4wWA.woff

19 ms

S6u9w4BMUTPHh7USSwiPHw.woff

S6u9w4BMUTPHh7USSwiPHw.woff

24 ms

S6u9w4BMUTPHh6UVSwiPHw.woff

S6u9w4BMUTPHh6UVSwiPHw.woff

35 ms

fa-solid-900.woff

fa-solid-900.woff

608 ms

fa-regular-400.woff

fa-regular-400.woff

682 ms

fa-light-300.woff

fa-light-300.woff

667 ms

jquery-3.5.1.min.js

jquery-3.5.1.min.js

681 ms

jquery-ui.min.js

jquery-ui.min.js

744 ms

www.uhdb.nhs.uk.js

www.uhdb.nhs.uk.js

28 ms

sri.json

sri.json

4 ms

browsealoud.js

browsealoud.js

4 ms

Accessibility Review

uhdb.nhs.uk accessibility score

99

Accessibility Issues

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

uhdb.nhs.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

uhdb.nhs.uk SEO score

98

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

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 Uhdb.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 Uhdb.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

uhdb.nhs.uk

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