Tools & Wizards About Us
join.nuffieldhealth.com screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 88% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

join.nuffieldhealth.com

Gyms, Health Clubs, Fitness & Wellbeing | Nuffield Health

Page Load Speed

2.8 sec in total

First Response

228 ms

Resources Loaded

1.7 sec

Page Rendered

851 ms

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 228 ms and then it took 2.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

join.nuffieldhealth.com performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value6.9 s

1/100

10%

LCP (Largest Contentful Paint)

Value18.8 s

0/100

25%

SI (Speed Index)

Value12.1 s

3/100

10%

TBT (Total Blocking Time)

Value4,380 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.001

100/100

15%

TTI (Time to Interactive)

Value19.3 s

2/100

10%

Network Requests Diagram

join.nuffieldhealth.com

228 ms

join.nuffieldhealth.com

352 ms

gyms

331 ms

application-f147384d.css

36 ms

js

129 ms

Our browser made a total of 38 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, 66% (25 requests) were made to Nuffieldhealth.com and 8% (3 requests) were made to Assets.adobedtm.com. The less responsive or slowest element that took the longest time to load (352 ms) belongs to the original domain Join.nuffieldhealth.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.1 MB (18%)

Content Size

6.4 MB

After Optimization

5.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Join.nuffieldhealth.com main page is 6.4 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. 70% of websites need less resources to load. Images take 4.9 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 303.6 kB

  • Original 331.5 kB
  • After minification 240.1 kB
  • After compression 27.9 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. This page needs HTML code to be minified as it can gain 91.4 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 303.6 kB or 92% of the original size.

Image Optimization

-10%

Potential reduce by 505.0 kB

  • Original 4.9 MB
  • After minification 4.4 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

-29%

Potential reduce by 321.3 kB

  • Original 1.1 MB
  • After minification 1.1 MB
  • After compression 799.2 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 321.3 kB or 29% of the original size.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 62.9 kB
  • After minification 62.9 kB
  • After compression 62.9 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 has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 8 (28%)

Requests Now

29

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 29 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 9 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

join.nuffieldhealth.com

join.nuffieldhealth.com

228 ms

join.nuffieldhealth.com

join.nuffieldhealth.com

352 ms

gyms

gyms

331 ms

application-f147384d.css

application-f147384d.css

36 ms

js

js

129 ms

application.min-4f28c9c7.js

application.min-4f28c9c7.js

92 ms

launch-a7906a92831e.min.js

launch-a7906a92831e.min.js

96 ms

js

js

103 ms

cookieControl-9.x.min.js

cookieControl-9.x.min.js

251 ms

gtm.js

gtm.js

231 ms

logo_inverse.svg

logo_inverse.svg

144 ms

join-now-and-get-the-rest-of-the-month-free.png

join-now-and-get-the-rest-of-the-month-free.png

239 ms

kettlebell-icon.png

kettlebell-icon.png

184 ms

swim-icon.png

swim-icon.png

203 ms

location-icon.png

location-icon.png

202 ms

dumbbell-icon.png

dumbbell-icon.png

209 ms

everyone-can-make-a-splash-with-nuffield-healths-swimming-pools-and-swimming-lessons.png

everyone-can-make-a-splash-with-nuffield-healths-swimming-pools-and-swimming-lessons.png

212 ms

membership-tile-small.jpg

membership-tile-small.jpg

207 ms

swimming-tile-small.jpg

swimming-tile-small.jpg

230 ms

classes-tile-small.jpg

classes-tile-small.jpg

227 ms

personal-training-tile-small.jpg

personal-training-tile-small.jpg

229 ms

nuffield-health-24-7-tile-small.jpg

nuffield-health-24-7-tile-small.jpg

226 ms

other-services-tile-small.jpg

other-services-tile-small.jpg

244 ms

treadmill-running.jpg

treadmill-running.jpg

246 ms

physiotherapy500x300.jpg

physiotherapy500x300.jpg

247 ms

swissballcrunch500x300.jpg

swissballcrunch500x300.jpg

245 ms

id

id

155 ms

AppMeasurement.min.js

AppMeasurement.min.js

123 ms

AppMeasurement_Module_ActivityMap.min.js

AppMeasurement_Module_ActivityMap.min.js

133 ms

AvenirLTStd-Roman-128d9b86.woff

AvenirLTStd-Roman-128d9b86.woff

158 ms

NuffieldSans-Regular-7f88adab.woff

NuffieldSans-Regular-7f88adab.woff

82 ms

AvenirLTStd-Oblique-dcc1f6d2.woff

AvenirLTStd-Oblique-dcc1f6d2.woff

91 ms

AvenirLTStd-Black-280891c6.woff

AvenirLTStd-Black-280891c6.woff

114 ms

AvenirLTStd-Light-bac7aa3c.woff

AvenirLTStd-Light-bac7aa3c.woff

92 ms

nuffieldicons-d0b7a4cd.woff

nuffieldicons-d0b7a4cd.woff

115 ms

dest5.html

dest5.html

41 ms

id

id

43 ms

ibs:dpid=411&dpuuid=ZsxAHgAAAHiXIwN-

ibs:dpid=411&dpuuid=ZsxAHgAAAHiXIwN-

12 ms

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

Links do not have a discernible name

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

93

Search Engine Optimization Advices

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

    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

join.nuffieldhealth.com

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: