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gymbox.co.uk screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 58

    Accessibility

    Visual factors better than
    that of 25% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

gymbox.co.uk

Gyms in London - Gymbox - London's Best Equipped Gym

Page Load Speed

2.4 sec in total

First Response

235 ms

Resources Loaded

1.8 sec

Page Rendered

360 ms

gymbox.co.uk screenshot

About Website

Welcome to gymbox.co.uk homepage info - get ready to check Gymbox best content right away, or after learning these important things about gymbox.co.uk

Making sweating enjoyable drives everything Gymbox does. From our unique exercise classes and nightly resident DJs, through to our larger than life personal trainers, at Gymbox there is undeniably a c...

Visit gymbox.co.uk

Key Findings

We analyzed Gymbox.co.uk page load time and found that the first response time was 235 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

gymbox.co.uk performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

40/100

10%

LCP (Largest Contentful Paint)

Value24.4 s

0/100

25%

SI (Speed Index)

Value14.1 s

1/100

10%

TBT (Total Blocking Time)

Value2,290 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value21.6 s

1/100

10%

Network Requests Diagram

gymbox.co.uk

235 ms

www.gymbox.co.uk

249 ms

www.gymbox.com

361 ms

app.css

35 ms

mapbox-gl.css

28 ms

Our browser made a total of 43 requests to load all elements on the main page. We found that 5% of them (2 requests) were addressed to the original Gymbox.co.uk, 37% (16 requests) were made to Gymbox.com and 12% (5 requests) were made to Assets.gymbox.com. The less responsive or slowest element that took the longest time to load (413 ms) relates to the external source Gymbox.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 201.7 kB (5%)

Content Size

4.4 MB

After Optimization

4.2 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Gymbox.co.uk main page is 4.4 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. Only a small number of websites need less resources to load. Images take 3.6 MB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 106.4 kB

  • Original 133.2 kB
  • After minification 133.1 kB
  • After compression 26.9 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 106.4 kB or 80% of the original size.

Image Optimization

-3%

Potential reduce by 94.1 kB

  • Original 3.6 MB
  • After minification 3.5 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. Gymbox images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.1 kB

  • Original 591.9 kB
  • After minification 591.8 kB
  • After compression 590.7 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.

CSS Optimization

-0%

Potential reduce by 0 B

  • Original 19.9 kB
  • After minification 19.9 kB
  • After compression 19.9 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. Gymbox.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 19 (54%)

Requests Now

35

After Optimization

16

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 35 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Gymbox. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 20 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

gymbox.co.uk

gymbox.co.uk

235 ms

www.gymbox.co.uk

www.gymbox.co.uk

249 ms

www.gymbox.com

www.gymbox.com

361 ms

app.css

app.css

35 ms

mapbox-gl.css

mapbox-gl.css

28 ms

email-decode.min.js

email-decode.min.js

24 ms

api.js

api.js

70 ms

rollbar.min.js

rollbar.min.js

125 ms

gtm.js

gtm.js

133 ms

Speedwalk_homepage_1800x1000_v1.jpg

Speedwalk_homepage_1800x1000_v1.jpg

133 ms

logoWhite.svg

logoWhite.svg

31 ms

logoGymbox.svg

logoGymbox.svg

33 ms

GGARDNER-1927_filtered_3000px.jpg

GGARDNER-1927_filtered_3000px.jpg

111 ms

play.svg

play.svg

108 ms

close.cur

close.cur

326 ms

close_white.svg

close_white.svg

104 ms

arrowButton.svg

arrowButton.svg

107 ms

select.svg

select.svg

106 ms

2-sm_GB_Breaking_homepage_1800x1000_v1.jpg

2-sm_GB_Breaking_homepage_1800x1000_v1.jpg

326 ms

sm_GB_COMPOSED_homepage_1800x1200_v1.jpg

sm_GB_COMPOSED_homepage_1800x1200_v1.jpg

399 ms

sm_GB_NunchuckNinjas_12_homepage_1800x1200_V2-copy.jpg

sm_GB_NunchuckNinjas_12_homepage_1800x1200_V2-copy.jpg

400 ms

CowboyCore_1800x1200_Webhome.jpg

CowboyCore_1800x1200_Webhome.jpg

401 ms

helvetica.woff

helvetica.woff

413 ms

helvetica-medium.woff

helvetica-medium.woff

413 ms

helvetica-heavy.woff

helvetica-heavy.woff

106 ms

recaptcha__en.js

recaptcha__en.js

101 ms

mapbox-gl.js

mapbox-gl.js

18 ms

vendors.bundle.js

vendors.bundle.js

89 ms

app.bundle.js

app.bundle.js

304 ms

analytics.js

analytics.js

144 ms

destination

destination

116 ms

quant.js

quant.js

157 ms

fbevents.js

fbevents.js

158 ms

scevent.min.js

scevent.min.js

188 ms

insight.min.js

insight.min.js

175 ms

events.js

events.js

179 ms

events.js

events.js

178 ms

collect

collect

30 ms

rules-p-gq1-VTks9fXw_.js

rules-p-gq1-VTks9fXw_.js

35 ms

js

js

53 ms

insight.beta.min.js

insight.beta.min.js

10 ms

main.MWRmMjhhNDhjNQ.js

main.MWRmMjhhNDhjNQ.js

24 ms

41 ms

Accessibility Review

gymbox.co.uk accessibility score

58

Accessibility Issues

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

Buttons do not have an accessible name

High

Links do not have a discernible name

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

gymbox.co.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

High

Missing source maps for large first-party JavaScript

SEO Factors

gymbox.co.uk SEO score

84

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

High

Tap targets are not sized appropriately

Language and Encoding

  • Language Detected

    EN

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Gymbox.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Gymbox.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

gymbox.co.uk

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