Tools & Wizards About Us
f1karts.co.uk screenshot

Report Summary

  • 28

    Performance

    Renders faster than
    48% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    36% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

f1karts.co.uk

F1 - The Official Home of Formula 1® Racing

Page Load Speed

3.2 sec in total

First Response

12 ms

Resources Loaded

2.1 sec

Page Rendered

1 sec

f1karts.co.uk screenshot

About Website

Visit f1karts.co.uk now to see the best up-to-date F1 Karts content and also check out these interesting facts you probably never knew about f1karts.co.uk

Enter the world of Formula 1. Your go-to source for the latest F1 news, video highlights, GP results, live timing, in-depth analysis and expert commentary.

Visit f1karts.co.uk

Key Findings

We analyzed F1karts.co.uk page load time and found that the first response time was 12 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

f1karts.co.uk performance score

28

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.1 s

9/100

10%

LCP (Largest Contentful Paint)

Value16.4 s

0/100

25%

SI (Speed Index)

Value7.0 s

32/100

10%

TBT (Total Blocking Time)

Value800 ms

36/100

30%

CLS (Cumulative Layout Shift)

Value0.127

82/100

15%

TTI (Time to Interactive)

Value13.9 s

10/100

10%

Network Requests Diagram

default.html

12 ms

en.html

30 ms

libs.min.css

29 ms

libs.headscripts.min.js

49 ms

adrum-latest.js

90 ms

Our browser made a total of 89 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original F1karts.co.uk, 2% (2 requests) were made to Google-analytics.com and 1% (1 request) were made to De8of677fyt0b.cloudfront.net. The less responsive or slowest element that took the longest time to load (383 ms) relates to the external source Ajax.googleapis.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (31%)

Content Size

4.2 MB

After Optimization

2.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of F1karts.co.uk main page is 4.2 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. 85% of websites need less resources to load and that’s why Accessify’s recommendations for optimization and resource minification can be helpful for this project. Images take 2.7 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 200.4 kB

  • Original 217.3 kB
  • After minification 148.9 kB
  • After compression 16.9 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 68.4 kB, which is 31% 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 200.4 kB or 92% of the original size.

Image Optimization

-6%

Potential reduce by 159.4 kB

  • Original 2.7 MB
  • After minification 2.6 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. F1 Karts images are well optimized though.

JavaScript Optimization

-70%

Potential reduce by 672.6 kB

  • Original 964.4 kB
  • After minification 955.2 kB
  • After compression 291.8 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 672.6 kB or 70% of the original size.

CSS Optimization

-85%

Potential reduce by 270.9 kB

  • Original 317.5 kB
  • After minification 314.3 kB
  • After compression 46.6 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. F1karts.co.uk needs all CSS files to be minified and compressed as it can save up to 270.9 kB or 85% of the original size.

Requests Breakdown

Number of requests can be reduced by 14 (17%)

Requests Now

81

After Optimization

67

  • Images
  • JavaScript
  • CSS

The browser has sent 81 CSS, Javascripts, AJAX and image requests in order to completely render the main page of F1 Karts. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 15 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

default.html

default.html

12 ms

en.html

en.html

30 ms

libs.min.css

libs.min.css

29 ms

libs.headscripts.min.js

libs.headscripts.min.js

49 ms

adrum-latest.js

adrum-latest.js

90 ms

jquery.min.js

jquery.min.js

45 ms

utils.min.js

utils.min.js

45 ms

granite.min.js

granite.min.js

45 ms

jquery.min.js

jquery.min.js

46 ms

shared.min.js

shared.min.js

45 ms

underscore.min.js

underscore.min.js

46 ms

kernel.min.js

kernel.min.js

47 ms

jquery.min.js

jquery.min.js

383 ms

gigya.js

gigya.js

41 ms

libs.min.js

libs.min.js

35 ms

css

css

69 ms

Background.png

Background.png

293 ms

f1_logo.svg

f1_logo.svg

156 ms

image.img.640.medium.jpg

image.img.640.medium.jpg

173 ms

temp-16x9.gif

temp-16x9.gif

158 ms

image16x9.img.320.medium.jpg

image16x9.img.320.medium.jpg

159 ms

image16x9.img.320.medium.jpg

image16x9.img.320.medium.jpg

158 ms

image16x9.img.320.medium.jpg

image16x9.img.320.medium.jpg

161 ms

image16x9.img.320.medium.jpg

image16x9.img.320.medium.jpg

161 ms

image16x9.img.320.medium.jpg

image16x9.img.320.medium.jpg

162 ms

image16x9.img.320.medium.jpg

image16x9.img.320.medium.jpg

162 ms

image16x9.img.320.medium.jpg

image16x9.img.320.medium.jpg

166 ms

image16x9.img.320.medium.jpg

image16x9.img.320.medium.jpg

164 ms

image16x9.img.320.medium.jpg

image16x9.img.320.medium.jpg

164 ms

image16x9.img.320.medium.jpg

image16x9.img.320.medium.jpg

165 ms

image16x9.img.320.medium.jpg

image16x9.img.320.medium.jpg

166 ms

image16x9.img.320.medium.jpg

image16x9.img.320.medium.jpg

171 ms

image16x9.img.320.medium.jpg

image16x9.img.320.medium.jpg

169 ms

image16x9.img.320.medium.jpg

image16x9.img.320.medium.jpg

170 ms

load-more-arrow.png

load-more-arrow.png

172 ms

footer.png

footer.png

170 ms

1423096962761.jpg

1423096962761.jpg

173 ms

rolex-f1-logo.png

rolex-f1-logo.png

173 ms

1422628487266.jpg

1422628487266.jpg

171 ms

1423085164702.gif

1423085164702.gif

170 ms

1423097071684.jpg

1423097071684.jpg

170 ms

1423082998724.gif

1423082998724.gif

172 ms

1424084489861.jpg

1424084489861.jpg

171 ms

1423086451836.png

1423086451836.png

173 ms

1450105505963.jpg

1450105505963.jpg

172 ms

1423087584504.gif

1423087584504.gif

173 ms

1423089848768.gif

1423089848768.gif

171 ms

1423091900663.gif

1423091900663.gif

173 ms

1423088351221.gif

1423088351221.gif

173 ms

1423092657855.jpg

1423092657855.jpg

173 ms

1423092277308.jpg

1423092277308.jpg

175 ms

1423093148498.jpg

1423093148498.jpg

174 ms

1423096944346.jpg

1423096944346.jpg

47 ms

1423096516616.jpg

1423096516616.jpg

47 ms

1423094897969.jpg

1423094897969.jpg

48 ms

1423097722912.png

1423097722912.png

48 ms

1423096759413.jpg

1423096759413.jpg

46 ms

1423335547161.jpg

1423335547161.jpg

45 ms

image.img.640.medium.jpg

image.img.640.medium.jpg

45 ms

teamCar.img.jpg

teamCar.img.jpg

47 ms

teamCar.img.jpg

teamCar.img.jpg

49 ms

teamCar.img.jpg

teamCar.img.jpg

43 ms

teamCar.img.jpg

teamCar.img.jpg

45 ms

teamCar.img.jpg

teamCar.img.jpg

58 ms

image.img.640.medium.jpg

image.img.640.medium.jpg

46 ms

image16x9.img.640.medium.jpg

image16x9.img.640.medium.jpg

41 ms

image16x9.img.640.medium.jpg

image16x9.img.640.medium.jpg

40 ms

image16x9.img.640.medium.jpg

image16x9.img.640.medium.jpg

40 ms

image16x9.img.640.medium.jpg

image16x9.img.640.medium.jpg

41 ms

logo-tata.svg

logo-tata.svg

40 ms

F1-Access-logo.png

F1-Access-logo.png

47 ms

bentonsans-bold.woff

bentonsans-bold.woff

32 ms

bentonsans-medium.woff

bentonsans-medium.woff

32 ms

bentonsans-book.woff

bentonsans-book.woff

32 ms

icomoon.woff

icomoon.woff

32 ms

ico-cal-down.png

ico-cal-down.png

56 ms

component.min.css

component.min.css

294 ms

90c1c7c50a2a4ffda5ebbfbe9bc11ff6

90c1c7c50a2a4ffda5ebbfbe9bc11ff6

314 ms

Close-icon.png

Close-icon.png

106 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

97 ms

gtm.js

gtm.js

181 ms

sprite.png

sprite.png

51 ms

1458374738654.jpg

1458374738654.jpg

58 ms

1458388035079.jpg

1458388035079.jpg

59 ms

1458374551951.jpg

1458374551951.jpg

60 ms

1457950881719.jpg

1457950881719.jpg

56 ms

analytics.js

analytics.js

8 ms

collect

collect

17 ms

collect

collect

60 ms

Accessibility Review

f1karts.co.uk accessibility score

82

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

[aria-*] attributes do not match their roles

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

f1karts.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

Displays images with incorrect aspect ratio

General

Impact

Issue

Low

Detected JavaScript libraries

High

Missing source maps for large first-party JavaScript

SEO Factors

f1karts.co.uk SEO score

86

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

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

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 F1karts.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 F1karts.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

f1karts.co.uk

Open Graph data is detected on the main page of F1 Karts. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: