Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 82% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

nationalmigrainecentre.org.uk

National Migraine Centre - specialist migraine clinic

Page Load Speed

3.8 sec in total

First Response

227 ms

Resources Loaded

2.5 sec

Page Rendered

1.1 sec

nationalmigrainecentre.org.uk screenshot

About Website

Visit nationalmigrainecentre.org.uk now to see the best up-to-date National Migraine Centre content and also check out these interesting facts you probably never knew about nationalmigrainecentre.org.uk

Get expert help: book a consultation now with a leading headache doctor anywhere in the UK. Charity with free factsheets, podcast and help.

Visit nationalmigrainecentre.org.uk

Key Findings

We analyzed Nationalmigrainecentre.org.uk page load time and found that the first response time was 227 ms and then it took 3.6 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

nationalmigrainecentre.org.uk performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.5 s

33/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

36/100

25%

SI (Speed Index)

Value7.0 s

33/100

10%

TBT (Total Blocking Time)

Value3,770 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.004

100/100

15%

TTI (Time to Interactive)

Value10.1 s

26/100

10%

Network Requests Diagram

nationalmigrainecentre.org.uk

227 ms

www.nationalmigrainecentre.org.uk

434 ms

YyhlLmNvbmNhdGVtb2ppKTplLndwZW1vamkmJmUudHdlbW9qaSYmKGMoZS50d2Vtb2ppKSxjKGUud3BlbW9qaSkpKX0od2luZG93LGRvY3VtZW50LHdpbmRvdy5fd3BlbW9qaVNldHRpbmdzKTsK

59 ms

style.min.css

181 ms

autoptimize_single_20e8490fab0dcf7557a5c8b54494db6f.css

571 ms

Our browser made a total of 61 requests to load all elements on the main page. We found that 80% of them (49 requests) were addressed to the original Nationalmigrainecentre.org.uk, 11% (7 requests) were made to and 5% (3 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (853 ms) belongs to the original domain Nationalmigrainecentre.org.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 64.4 kB (8%)

Content Size

823.7 kB

After Optimization

759.3 kB

In fact, the total size of Nationalmigrainecentre.org.uk main page is 823.7 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. 60% of websites need less resources to load. Images take 657.1 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 63.3 kB

  • Original 79.9 kB
  • After minification 79.9 kB
  • After compression 16.6 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 63.3 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 657.1 kB
  • After minification 657.1 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. National Migraine Centre images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 327 B

  • Original 58.8 kB
  • After minification 58.8 kB
  • After compression 58.5 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

-3%

Potential reduce by 779 B

  • Original 27.9 kB
  • After minification 27.9 kB
  • After compression 27.1 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. Nationalmigrainecentre.org.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 27 (55%)

Requests Now

49

After Optimization

22

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of National Migraine Centre. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 10 to 1 for JavaScripts and from 6 to 1 for CSS and as a result speed up the page load time.

Accessibility Review

nationalmigrainecentre.org.uk accessibility score

93

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

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

Best Practices

nationalmigrainecentre.org.uk best practices score

92

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

Low

Ensure CSP is effective against XSS attacks

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

nationalmigrainecentre.org.uk SEO score

79

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

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 Nationalmigrainecentre.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 Nationalmigrainecentre.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

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