Tools & Wizards About Us
rockbox-media.co.uk screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 75% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 92

    SEO

    Google-friendlier than
    75% of websites

rockbox-media.co.uk

RockBox - Out of Home Student Advertising - United Kingdom

Page Load Speed

27.9 sec in total

First Response

1.5 sec

Resources Loaded

26.3 sec

Page Rendered

85 ms

rockbox-media.co.uk screenshot

About Website

Visit rockbox-media.co.uk now to see the best up-to-date Rock Box Media content and also check out these interesting facts you probably never knew about rockbox-media.co.uk

RockBox Advertising reaches 18-24 with OOH and DOOH in student unions, student accommodation, music venues and pubs. Advertise on digital screens in pubs and hundreds of universities to reach students...

Visit rockbox-media.co.uk

Key Findings

We analyzed Rockbox-media.co.uk page load time and found that the first response time was 1.5 sec and then it took 26.4 sec to load all DOM resources and completely render a web page. This is an excellent result, as only a small number of websites can load faster. Unfortunately, there was 1 request timeout, which can generally increase the web page load time, as the browser stays idle while waiting for website response.

Performance Metrics

rockbox-media.co.uk performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.2 s

43/100

10%

LCP (Largest Contentful Paint)

Value6.1 s

12/100

25%

SI (Speed Index)

Value10.1 s

9/100

10%

TBT (Total Blocking Time)

Value1,570 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value15.8 s

6/100

10%

Network Requests Diagram

www.rockboxadvertising.com

1485 ms

minified.js

36 ms

focus-within-polyfill.js

80 ms

polyfill.min.js

20153 ms

787215.js

104 ms

Our browser made a total of 104 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Rockbox-media.co.uk, 14% (15 requests) were made to Static.parastorage.com and 12% (12 requests) were made to Sentry-next.wixpress.com. The less responsive or slowest element that took the longest time to load (20.2 sec) relates to the external source Polyfill.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 606.5 kB (23%)

Content Size

2.6 MB

After Optimization

2.0 MB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Rockbox-media.co.uk main page is 2.6 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. 65% of websites need less resources to load. Images take 1.7 MB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 526.8 kB

  • Original 663.7 kB
  • After minification 662.0 kB
  • After compression 136.9 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 526.8 kB or 79% of the original size.

Image Optimization

-1%

Potential reduce by 20.3 kB

  • Original 1.7 MB
  • After minification 1.7 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. Rock Box Media images are well optimized though.

JavaScript Optimization

-21%

Potential reduce by 59.3 kB

  • Original 276.9 kB
  • After minification 276.8 kB
  • After compression 217.6 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 59.3 kB or 21% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (12%)

Requests Now

84

After Optimization

74

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 84 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Rock Box Media. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.rockboxadvertising.com

www.rockboxadvertising.com

1485 ms

minified.js

minified.js

36 ms

focus-within-polyfill.js

focus-within-polyfill.js

80 ms

polyfill.min.js

polyfill.min.js

20153 ms

787215.js

787215.js

104 ms

thunderbolt-commons.1e70fbb2.bundle.min.js

thunderbolt-commons.1e70fbb2.bundle.min.js

70 ms

main.42e492e1.bundle.min.js

main.42e492e1.bundle.min.js

70 ms

lodash.min.js

lodash.min.js

70 ms

react.production.min.js

react.production.min.js

78 ms

react-dom.production.min.js

react-dom.production.min.js

76 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

72 ms

wix-perf-measure.umd.min.js

wix-perf-measure.umd.min.js

72 ms

rockbox%20logo%202023.png

rockbox%20logo%202023.png

367 ms

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372 ms

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368 ms

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305 ms

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420 ms

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369 ms

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369 ms

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366 ms

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444 ms

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573 ms

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478 ms

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485 ms

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370 ms

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553 ms

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546 ms

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585 ms

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481 ms

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735 ms

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658 ms

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783 ms

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923 ms

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756 ms

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814 ms

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845 ms

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846 ms

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982 ms

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971 ms

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1034 ms

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1061 ms

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4029 ms

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1127 ms

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1164 ms

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987 ms

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1142 ms

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1250 ms

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1203 ms

bundle.min.js

bundle.min.js

139 ms

file.woff

file.woff

977 ms

file.woff

file.woff

938 ms

file.woff

file.woff

914 ms

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1016 ms

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4062 ms

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1098 ms

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1247 ms

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1163 ms

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1205 ms

63 ms

10 ms

12 ms

15 ms

13 ms

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74 ms

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72 ms

71 ms

123 ms

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1225 ms

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1207 ms

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1328 ms

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1306 ms

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1263 ms

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1563 ms

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1342 ms

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1374 ms

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1301 ms

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1334 ms

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1377 ms

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1320 ms

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1370 ms

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1365 ms

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1432 ms

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1339 ms

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1294 ms

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1319 ms

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1496 ms

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1432 ms

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1388 ms

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1328 ms

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1456 ms

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1593 ms

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1421 ms

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1371 ms

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1539 ms

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deprecation-en.v5.html

17 ms

bolt-performance

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37 ms

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deprecation-style.v5.css

13 ms

right-arrow.svg

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14 ms

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6 ms

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7 ms

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7 ms

Accessibility Review

rockbox-media.co.uk accessibility score

90

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

button, link, and menuitem elements do not have accessible names.

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

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.

Best Practices

rockbox-media.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

Page has valid source maps

SEO Factors

rockbox-media.co.uk SEO score

92

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 doesn't use legible font sizes

High

Tap targets are not sized appropriately

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 Rockbox-media.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 Rockbox-media.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

rockbox-media.co.uk

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