Tools & Wizards About Us
reyessyndrome.co.uk screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 95

    Accessibility

    Visual factors better than
    that of 87% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

reyessyndrome.co.uk

Reye's syndrome – Information for clinicians and parents about Reye's syndrome, a rare childhood disease

Page Load Speed

2.1 sec in total

First Response

397 ms

Resources Loaded

1.6 sec

Page Rendered

160 ms

reyessyndrome.co.uk screenshot

About Website

Welcome to reyessyndrome.co.uk homepage info - get ready to check Reye S Syndrome best content right away, or after learning these important things about reyessyndrome.co.uk

National Reye's Syndrome Foundation UK. Reye's Syndrome, a deadly disease, strikes swiftly and can attack any child, teenager, or adult without warning. All body organs are affected, with the liver a...

Visit reyessyndrome.co.uk

Key Findings

We analyzed Reyessyndrome.co.uk page load time and found that the first response time was 397 ms and then it took 1.7 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 35% of websites can load faster.

Performance Metrics

reyessyndrome.co.uk performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.1 s

21/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value8.0 s

21/100

10%

TBT (Total Blocking Time)

Value4,350 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.036

100/100

15%

TTI (Time to Interactive)

Value9.9 s

27/100

10%

Network Requests Diagram

reyessyndrome.co.uk

397 ms

578 ms

master.css

248 ms

textsizer.js

171 ms

gradient.gif

94 ms

Our browser made a total of 14 requests to load all elements on the main page. We found that all of those requests were addressed to Reyessyndrome.co.uk and no external sources were called. The less responsive or slowest element that took the longest time to load (578 ms) belongs to the original domain Reyessyndrome.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 34.0 kB (29%)

Content Size

117.6 kB

After Optimization

83.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Reyessyndrome.co.uk main page is 117.6 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. Only 5% of websites need less resources to load. Images take 77.5 kB which makes up the majority of the site volume.

HTML Optimization

-74%

Potential reduce by 7.2 kB

  • Original 9.8 kB
  • After minification 8.9 kB
  • After compression 2.6 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 7.2 kB or 74% of the original size.

Image Optimization

-0%

Potential reduce by 36 B

  • Original 77.5 kB
  • After minification 77.4 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. Reye S Syndrome images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 805 B

  • Original 1.2 kB
  • After minification 819 B
  • After compression 369 B

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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 805 B or 69% of the original size.

CSS Optimization

-89%

Potential reduce by 26.0 kB

  • Original 29.2 kB
  • After minification 12.7 kB
  • After compression 3.2 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. Reyessyndrome.co.uk needs all CSS files to be minified and compressed as it can save up to 26.0 kB or 89% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

12

After Optimization

12

  • Images
  • JavaScript
  • CSS

The browser has sent 12 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Reye S Syndrome. According to our analytics all requests are already optimized.

Network Requests Diagram

reyessyndrome.co.uk

reyessyndrome.co.uk

397 ms

578 ms

master.css

master.css

248 ms

textsizer.js

textsizer.js

171 ms

gradient.gif

gradient.gif

94 ms

sky.jpg

sky.jpg

341 ms

crnrsblu.gif

crnrsblu.gif

94 ms

logo.gif

logo.gif

251 ms

logosmw.gif

logosmw.gif

170 ms

RCPCH_172.jpg

RCPCH_172.jpg

259 ms

corners-alt-white.gif

corners-alt-white.gif

177 ms

rarrow.gif

rarrow.gif

178 ms

footer.gif

footer.gif

256 ms

print.css

print.css

87 ms

Accessibility Review

reyessyndrome.co.uk accessibility score

95

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

Links do not have a discernible name

Best Practices

reyessyndrome.co.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

reyessyndrome.co.uk SEO score

93

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

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 Reyessyndrome.co.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 Reyessyndrome.co.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

reyessyndrome.co.uk

Open Graph description is not detected on the main page of Reye S Syndrome. 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: