Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 98

    SEO

    Google-friendlier than
    92% of websites

join.nuffieldhealth.com

Gyms, Health Clubs, Fitness & Wellbeing | Nuffield Health

Page Load Speed

8.6 sec in total

First Response

300 ms

Resources Loaded

5.4 sec

Page Rendered

2.9 sec

join.nuffieldhealth.com screenshot

About Website

Visit join.nuffieldhealth.com now to see the best up-to-date Join Nuffield Health content for United Kingdom and also check out these interesting facts you probably never knew about join.nuffieldhealth.com

At Nuffield Health over 114 Fitness & Wellbeing Gyms provide members with access to a wide range of onsite health services and superb gym facilities.

Visit join.nuffieldhealth.com

Key Findings

We analyzed Join.nuffieldhealth.com page load time and found that the first response time was 300 ms and then it took 8.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 85% of websites can load faster.

Performance Metrics

join.nuffieldhealth.com performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.1 s

3/100

10%

LCP (Largest Contentful Paint)

Value13.6 s

0/100

25%

SI (Speed Index)

Value14.1 s

1/100

10%

TBT (Total Blocking Time)

Value18,430 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value27.9 s

0/100

10%

Network Requests Diagram

join.nuffieldhealth.com

300 ms

join.nuffieldhealth.com

433 ms

gyms

334 ms

application-00b3c560.css

41 ms

js

305 ms

Our browser made a total of 40 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Join.nuffieldhealth.com, 58% (23 requests) were made to Nuffieldhealth.com and 15% (6 requests) were made to Youtube.com. The less responsive or slowest element that took the longest time to load (1.4 sec) relates to the external source Youtube.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 615.3 kB (21%)

Content Size

2.9 MB

After Optimization

2.3 MB

In fact, the total size of Join.nuffieldhealth.com main page is 2.9 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.0 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 275.2 kB

  • Original 300.0 kB
  • After minification 216.9 kB
  • After compression 24.8 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. This page needs HTML code to be minified as it can gain 83.2 kB, which is 28% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 275.2 kB or 92% of the original size.

Image Optimization

-0%

Potential reduce by 4.3 kB

  • Original 2.0 MB
  • After minification 2.0 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. Join Nuffield Health images are well optimized though.

JavaScript Optimization

-10%

Potential reduce by 24.3 kB

  • Original 253.8 kB
  • After minification 253.8 kB
  • After compression 229.5 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

-73%

Potential reduce by 311.4 kB

  • Original 427.4 kB
  • After minification 427.2 kB
  • After compression 115.9 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. Join.nuffieldhealth.com needs all CSS files to be minified and compressed as it can save up to 311.4 kB or 73% of the original size.

Requests Breakdown

Number of requests can be reduced by 9 (30%)

Requests Now

30

After Optimization

21

The browser has sent 30 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Join Nuffield Health. 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 as a result speed up the page load time.

Accessibility Review

join.nuffieldhealth.com accessibility score

96

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.

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

<frame> or <iframe> elements do not have a title

Best Practices

join.nuffieldhealth.com best practices score

83

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

Missing source maps for large first-party JavaScript

SEO Factors

join.nuffieldhealth.com 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

    N/A

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Join.nuffieldhealth.com 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 Join.nuffieldhealth.com 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 Join Nuffield Health. 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: