Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 92

    Accessibility

    Visual factors better than
    that of 79% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

cadbury.co.uk

Cadbury Chocolate | Cadbury.co.uk

Page Load Speed

1.4 sec in total

First Response

290 ms

Resources Loaded

587 ms

Page Rendered

481 ms

cadbury.co.uk screenshot

About Website

Click here to check amazing Cadbury content for United Kingdom. Otherwise, check out these important facts you probably never knew about cadbury.co.uk

Welcome to the home of Cadbury chocolate - Find out more about the Cadbury brand, our products and our latest campaigns.

Visit cadbury.co.uk

Key Findings

We analyzed Cadbury.co.uk page load time and found that the first response time was 290 ms and then it took 1.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 20% of websites can load faster.

Performance Metrics

cadbury.co.uk performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.1 s

80/100

10%

LCP (Largest Contentful Paint)

Value13.8 s

0/100

25%

SI (Speed Index)

Value10.4 s

8/100

10%

TBT (Total Blocking Time)

Value920 ms

30/100

30%

CLS (Cumulative Layout Shift)

Value0.025

100/100

15%

TTI (Time to Interactive)

Value16.9 s

5/100

10%

Network Requests Diagram

www.cadbury.co.uk

290 ms

gtm.js

92 ms

200_Years_logo.png

41 ms

app-affe2bed257b70880e72.js

223 ms

framework-005c7568045ee85b7f96.js

143 ms

Our browser made a total of 23 requests to load all elements on the main page. We found that 26% of them (6 requests) were addressed to the original Cadbury.co.uk, 70% (16 requests) were made to Images.ctfassets.net and 4% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (290 ms) belongs to the original domain Cadbury.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 619.9 kB (54%)

Content Size

1.1 MB

After Optimization

521.4 kB

In fact, the total size of Cadbury.co.uk main page is 1.1 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. 45% of websites need less resources to load. Images take 656.8 kB which makes up the majority of the site volume.

HTML Optimization

-80%

Potential reduce by 319.4 kB

  • Original 398.6 kB
  • After minification 398.5 kB
  • After compression 79.2 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 319.4 kB or 80% of the original size.

Image Optimization

-45%

Potential reduce by 298.2 kB

  • Original 656.8 kB
  • After minification 358.6 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. Obviously, Cadbury needs image optimization as it can save up to 298.2 kB or 45% 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 2.3 kB

  • Original 85.9 kB
  • After minification 85.9 kB
  • After compression 83.6 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. This website has mostly compressed JavaScripts.

Requests Breakdown

Number of requests can be reduced by 3 (15%)

Requests Now

20

After Optimization

17

The browser has sent 20 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Cadbury. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 4 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

cadbury.co.uk accessibility score

92

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Best Practices

cadbury.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

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

cadbury.co.uk SEO score

92

Search Engine Optimization Advices

Content Best Practices

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

Impact

Issue

High

Links do not have descriptive text

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 Cadbury.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 Cadbury.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

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