Tools & Wizards About Us
runnersworld.co.uk screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 100

    SEO

    Google-friendlier than
    94% of websites

runnersworld.co.uk

Runner's World UK: the UK's largest running website

Page Load Speed

466 ms in total

First Response

50 ms

Resources Loaded

410 ms

Page Rendered

6 ms

runnersworld.co.uk screenshot

About Website

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

Welcome to Runner's World UK, a running destination featuring all the latest training plans, injury advice, gear reviews, events, nutrition advice and much more.

Visit runnersworld.co.uk

Key Findings

We analyzed Runnersworld.co.uk page load time and found that the first response time was 50 ms and then it took 416 ms to load all DOM resources and completely render a web page. This is an excellent result, as only 5% of websites can load faster.

Performance Metrics

runnersworld.co.uk performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

81/100

10%

LCP (Largest Contentful Paint)

Value11.8 s

0/100

25%

SI (Speed Index)

Value6.3 s

42/100

10%

TBT (Total Blocking Time)

Value1,430 ms

15/100

30%

CLS (Cumulative Layout Shift)

Value0.014

100/100

15%

TTI (Time to Interactive)

Value12.4 s

14/100

10%

Network Requests Diagram

50 ms

897357473681917d.css

22 ms

polyfills-78c92fac7aa8fdd8.js

21 ms

otSDKStub.js

183 ms

moapt-data.js

154 ms

Our browser made a total of 123 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Runnersworld.co.uk, 45% (55 requests) were made to Runnersworld.com and 2% (3 requests) were made to Cdn.cookielaw.org. The less responsive or slowest element that took the longest time to load (290 ms) relates to the external source Runnersworld.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 965.4 kB (27%)

Content Size

3.6 MB

After Optimization

2.6 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Runnersworld.co.uk main page is 3.6 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. 70% of websites need less resources to load. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 371.2 kB

  • Original 452.4 kB
  • After minification 452.4 kB
  • After compression 81.2 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 371.2 kB or 82% of the original size.

Image Optimization

-21%

Potential reduce by 582.5 kB

  • Original 2.7 MB
  • After minification 2.2 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. Obviously, Runner S World needs image optimization as it can save up to 582.5 kB or 21% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-3%

Potential reduce by 11.7 kB

  • Original 400.8 kB
  • After minification 400.8 kB
  • After compression 389.0 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

-3%

Potential reduce by 12 B

  • Original 455 B
  • After minification 455 B
  • After compression 443 B

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. Runnersworld.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 50 (41%)

Requests Now

122

After Optimization

72

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 122 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Runner S World. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 46 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

50 ms

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22 ms

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21 ms

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183 ms

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154 ms

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155 ms

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63 ms

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67 ms

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68 ms

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67 ms

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67 ms

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68 ms

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74 ms

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79 ms

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76 ms

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78 ms

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77 ms

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88 ms

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87 ms

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87 ms

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88 ms

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96 ms

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96 ms

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96 ms

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96 ms

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94 ms

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133 ms

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133 ms

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134 ms

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133 ms

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136 ms

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134 ms

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143 ms

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142 ms

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141 ms

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142 ms

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142 ms

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83 ms

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84 ms

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80 ms

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81 ms

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81 ms

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80 ms

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Accessibility Review

runnersworld.co.uk accessibility score

100

Accessibility Issues

Best Practices

runnersworld.co.uk best practices score

83

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

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

runnersworld.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 Runnersworld.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 Runnersworld.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

runnersworld.co.uk

Open Graph description is not detected on the main page of Runner S World. 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: