Tools & Wizards About Us
uhdb.nhs.uk screenshot

Report Summary

  • 52

    Performance

    Renders faster than
    69% of other websites

  • 99

    Accessibility

    Visual factors better than
    that of 96% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% 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

3.6 sec in total

First Response

261 ms

Resources Loaded

2.9 sec

Page Rendered

418 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 Staffo...

Visit uhdb.nhs.uk

Key Findings

We analyzed Uhdb.nhs.uk page load time and found that the first response time was 261 ms 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

uhdb.nhs.uk performance score

52

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.0 s

23/100

10%

LCP (Largest Contentful Paint)

Value5.9 s

14/100

25%

SI (Speed Index)

Value7.0 s

33/100

10%

TBT (Total Blocking Time)

Value180 ms

92/100

30%

CLS (Cumulative Layout Shift)

Value0.084

93/100

15%

TTI (Time to Interactive)

Value13.4 s

11/100

10%

Network Requests Diagram

uhdb.nhs.uk

261 ms

uhdb.nhs.uk

353 ms

www.uhdb.nhs.uk

812 ms

styles.css

175 ms

support-styles.css

237 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 85% of them (51 requests) were addressed to the original Uhdb.nhs.uk, 7% (4 requests) were made to Browsealoud.com and 5% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.4 sec) belongs to the original domain Uhdb.nhs.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.2 MB (26%)

Content Size

8.4 MB

After Optimization

6.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Uhdb.nhs.uk main page is 8.4 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. 55% of websites need less resources to load. Images take 7.8 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 64.1 kB

  • Original 80.2 kB
  • After minification 80.2 kB
  • After compression 16.1 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 64.1 kB or 80% of the original size.

Image Optimization

-27%

Potential reduce by 2.1 MB

  • Original 7.8 MB
  • After minification 5.7 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 27% 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 2.2 kB

  • Original 424.9 kB
  • After minification 424.9 kB
  • After compression 422.6 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 29 (57%)

Requests Now

51

After Optimization

22

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 51 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 26 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

261 ms

uhdb.nhs.uk

uhdb.nhs.uk

353 ms

www.uhdb.nhs.uk

www.uhdb.nhs.uk

812 ms

styles.css

styles.css

175 ms

support-styles.css

support-styles.css

237 ms

css

css

53 ms

ba.js

ba.js

46 ms

jquery.pwstrength.min.js

jquery.pwstrength.min.js

229 ms

promise.min.js

promise.min.js

239 ms

atlas.js

atlas.js

233 ms

debug.js

debug.js

235 ms

website.js

website.js

237 ms

search.js

search.js

292 ms

router-base.js

router-base.js

297 ms

frontend-router.js

frontend-router.js

308 ms

feedback-base.js

feedback-base.js

309 ms

frontend-feedback.js

frontend-feedback.js

313 ms

error-handler.js

error-handler.js

314 ms

media-manager.js

media-manager.js

367 ms

placements.js

placements.js

372 ms

hashurl.js

hashurl.js

389 ms

megamenu.js

megamenu.js

390 ms

cycle.js

cycle.js

397 ms

tinymce.min.js

tinymce.min.js

545 ms

ace.min.js

ace.min.js

695 ms

ofi.min.js

ofi.min.js

454 ms

headroom.min.js

headroom.min.js

466 ms

plugins.js

plugins.js

467 ms

company-logo.png

company-logo.png

623 ms

img94joktmu777150.png

img94joktmu777150.png

869 ms

img94joktmu762411.png

img94joktmu762411.png

641 ms

img94joktmu762475.png

img94joktmu762475.png

646 ms

img94joktmu762421.png

img94joktmu762421.png

637 ms

img94joktmu762422.png

img94joktmu762422.png

715 ms

img94joktmu762423.png

img94joktmu762423.png

737 ms

img94joktmu732862.jpg

img94joktmu732862.jpg

1154 ms

img94joktmu72126.jpg

img94joktmu72126.jpg

743 ms

img94joktmu732538.jpg

img94joktmu732538.jpg

867 ms

img94joktmu777160.png

img94joktmu777160.png

1153 ms

img94joktmu777211.png

img94joktmu777211.png

1149 ms

img94joktmu777116.png

img94joktmu777116.png

1376 ms

img94joktmu777172.png

img94joktmu777172.png

1138 ms

jquery.fileupload.css

jquery.fileupload.css

739 ms

jquery.fileupload-ui.css

jquery.fileupload-ui.css

819 ms

version.json

version.json

90 ms

img94joktmu74104.png

img94joktmu74104.png

95 ms

img94joktmu74105.png

img94joktmu74105.png

119 ms

img94joktmu74106.png

img94joktmu74106.png

138 ms

footer-skyline-off-white.png

footer-skyline-off-white.png

163 ms

www.uhdb.nhs.uk.js

www.uhdb.nhs.uk.js

52 ms

S6uyw4BMUTPHjx4wWA.woff

S6uyw4BMUTPHjx4wWA.woff

35 ms

S6u9w4BMUTPHh7USSwiPHw.woff

S6u9w4BMUTPHh7USSwiPHw.woff

47 ms

S6u9w4BMUTPHh6UVSwiPHw.woff

S6u9w4BMUTPHh6UVSwiPHw.woff

68 ms

fa-solid-900.woff

fa-solid-900.woff

126 ms

fa-regular-400.woff

fa-regular-400.woff

216 ms

fa-light-300.woff

fa-light-300.woff

233 ms

jquery.min.js

jquery.min.js

164 ms

jquery-ui.min.js

jquery-ui.min.js

248 ms

sri.json

sri.json

24 ms

browsealoud.js

browsealoud.js

6 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

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

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: