Tools & Wizards About Us
derbyarena.co.uk screenshot

Report Summary

  • 47

    Performance

    Renders faster than
    65% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

derbyarena.co.uk

Derby Arena | Track Cycling | Gym | Indoor sports | Classes | Events

Page Load Speed

3.3 sec in total

First Response

154 ms

Resources Loaded

2.7 sec

Page Rendered

501 ms

derbyarena.co.uk screenshot

About Website

Visit derbyarena.co.uk now to see the best up-to-date Derby Arena content for United Kingdom and also check out these interesting facts you probably never knew about derbyarena.co.uk

Derby Arena boasts an exciting range of facilities from a 250m velodrome track and a high-spec gym to indoor sports and versatile event spaces

Visit derbyarena.co.uk

Key Findings

We analyzed Derbyarena.co.uk page load time and found that the first response time was 154 ms and then it took 3.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 55% of websites can load faster.

Performance Metrics

derbyarena.co.uk performance score

47

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

38/100

10%

LCP (Largest Contentful Paint)

Value6.5 s

9/100

25%

SI (Speed Index)

Value7.7 s

25/100

10%

TBT (Total Blocking Time)

Value380 ms

70/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value10.1 s

26/100

10%

Network Requests Diagram

derbyarena.co.uk

154 ms

derbyarena.co.uk

307 ms

www.derbyarena.co.uk

1066 ms

gtm.js

61 ms

b18a070.css

77 ms

Our browser made a total of 79 requests to load all elements on the main page. We found that 39% of them (31 requests) were addressed to the original Derbyarena.co.uk, 41% (32 requests) were made to Images.derbyarena.co.uk and 10% (8 requests) were made to Ik.imagekit.io. The less responsive or slowest element that took the longest time to load (1.1 sec) belongs to the original domain Derbyarena.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 167.0 kB (13%)

Content Size

1.3 MB

After Optimization

1.1 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Derbyarena.co.uk main page is 1.3 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. 55% of websites need less resources to load. Images take 942.2 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 95.1 kB

  • Original 110.0 kB
  • After minification 80.2 kB
  • After compression 14.9 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 29.9 kB, which is 27% 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 95.1 kB or 86% of the original size.

Image Optimization

-2%

Potential reduce by 16.6 kB

  • Original 942.2 kB
  • After minification 925.6 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. Derby Arena images are well optimized though.

JavaScript Optimization

-34%

Potential reduce by 53.5 kB

  • Original 156.8 kB
  • After minification 156.8 kB
  • After compression 103.3 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 53.5 kB or 34% of the original size.

CSS Optimization

-4%

Potential reduce by 1.8 kB

  • Original 47.3 kB
  • After minification 47.3 kB
  • After compression 45.6 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. Derbyarena.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 14 (19%)

Requests Now

72

After Optimization

58

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 72 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Derby Arena. 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 from 7 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

derbyarena.co.uk

derbyarena.co.uk

154 ms

derbyarena.co.uk

derbyarena.co.uk

307 ms

www.derbyarena.co.uk

www.derbyarena.co.uk

1066 ms

gtm.js

gtm.js

61 ms

b18a070.css

b18a070.css

77 ms

2945ec9.js

2945ec9.js

226 ms

owl.carousel.min.css

owl.carousel.min.css

220 ms

imports.min.css

imports.min.css

299 ms

section_arena.min.css

section_arena.min.css

224 ms

flickity.min.css

flickity.min.css

233 ms

flickity.pkgd.min.js

flickity.pkgd.min.js

364 ms

jquery.cycle2.min.js

jquery.cycle2.min.js

293 ms

owl.carousel.min.js

owl.carousel.min.js

364 ms

lite-yt-embed.js

lite-yt-embed.js

364 ms

embed.js

embed.js

74 ms

f6a1194.js

f6a1194.js

364 ms

c3fda1a9-b92d-4b8e-a565-e1618c7cf0e7.css

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41 ms

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123 ms

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252 ms

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80 ms

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nav_inderby.png

80 ms

nav_active.png

nav_active.png

80 ms

nav_parks.png

nav_parks.png

79 ms

nav_libraries.png

nav_libraries.png

79 ms

nav_live.png

nav_live.png

79 ms

sitelogo_arena.png

sitelogo_arena.png

155 ms

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search_button.png

155 ms

nav_arena.png

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155 ms

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225 ms

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156 ms

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223 ms

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232 ms

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510 ms

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511 ms

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261 ms

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259 ms

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259 ms

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606 ms

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489 ms

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396 ms

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226 ms

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221 ms

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370 ms

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391 ms

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239 ms

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336 ms

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329 ms

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333 ms

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417 ms

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444 ms

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432 ms

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459 ms

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531 ms

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489 ms

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505 ms

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520 ms

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533 ms

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549 ms

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578 ms

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753 ms

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605 ms

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637 ms

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617 ms

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648 ms

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813 ms

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608 ms

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712 ms

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707 ms

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643 ms

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650 ms

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96 ms

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96 ms

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90 ms

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fa-brands-400.woff

259 ms

loading-arena.svg

loading-arena.svg

167 ms

movemore--arena.png

movemore--arena.png

173 ms

KeepAlive.aspx

KeepAlive.aspx

253 ms

print.min.css

print.min.css

74 ms

main.js

main.js

62 ms

Accessibility Review

derbyarena.co.uk accessibility score

100

Accessibility Issues

Best Practices

derbyarena.co.uk best practices score

75

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

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

derbyarena.co.uk SEO score

100

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 Derbyarena.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 Derbyarena.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

derbyarena.co.uk

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