Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 86

    Accessibility

    Visual factors better than
    that of 61% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 73

    SEO

    Google-friendlier than
    31% of websites

Page Load Speed

2 sec in total

First Response

141 ms

Resources Loaded

1.7 sec

Page Rendered

169 ms

whittington.nhs.uk screenshot

About Website

Click here to check amazing Whittington content for United Kingdom. Otherwise, check out these important facts you probably never knew about whittington.nhs.uk

Description goes here

Visit whittington.nhs.uk

Key Findings

We analyzed Whittington.nhs.uk page load time and found that the first response time was 141 ms and then it took 1.9 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

whittington.nhs.uk performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value11.8 s

0/100

25%

SI (Speed Index)

Value6.2 s

42/100

10%

TBT (Total Blocking Time)

Value660 ms

45/100

30%

CLS (Cumulative Layout Shift)

Value0.24

52/100

15%

TTI (Time to Interactive)

Value11.2 s

20/100

10%

Network Requests Diagram

whittington.nhs.uk

141 ms

whittington.nhs.uk

285 ms

www.whittington.nhs.uk

442 ms

bootstrap.min.css

71 ms

font-awesome.css

141 ms

Our browser made a total of 64 requests to load all elements on the main page. We found that 67% of them (43 requests) were addressed to the original Whittington.nhs.uk, 8% (5 requests) were made to Fonts.gstatic.com and 6% (4 requests) were made to Browsealoud.com. The less responsive or slowest element that took the longest time to load (456 ms) belongs to the original domain Whittington.nhs.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 43.5 kB (20%)

Content Size

221.1 kB

After Optimization

177.6 kB

In fact, the total size of Whittington.nhs.uk main page is 221.1 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. 50% of websites need less resources to load. Javascripts take 167.0 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 43.2 kB

  • Original 54.1 kB
  • After minification 51.9 kB
  • After compression 10.9 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 43.2 kB or 80% of the original size.

JavaScript Optimization

-0%

Potential reduce by 314 B

  • Original 167.0 kB
  • After minification 167.0 kB
  • After compression 166.7 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.

Requests Breakdown

Number of requests can be reduced by 34 (62%)

Requests Now

55

After Optimization

21

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Whittington. 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 10 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

whittington.nhs.uk accessibility score

86

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

whittington.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

whittington.nhs.uk SEO score

73

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

High

Image elements do not have [alt] attributes

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

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Whittington.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 Whittington.nhs.uk main page’s claimed encoding is . Changing it to UTF-8 can be a good choice, as this format is commonly used for encoding all over the web and thus their visitors won’t have any troubles with symbol transcription or reading.

Social Sharing Optimization

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