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Report Summary

  • 15

    Performance

    Renders faster than
    27% of other websites

  • 74

    Accessibility

    Visual factors better than
    that of 40% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

carbon-clean.co.uk

Welcome | Carbon Clean

Page Load Speed

28.7 sec in total

First Response

2 sec

Resources Loaded

26.3 sec

Page Rendered

367 ms

carbon-clean.co.uk screenshot

About Website

Welcome to carbon-clean.co.uk homepage info - get ready to check Carbon Clean best content for United Kingdom right away, or after learning these important things about carbon-clean.co.uk

Helping our environment, one car at a time

Visit carbon-clean.co.uk

Key Findings

We analyzed Carbon-clean.co.uk page load time and found that the first response time was 2 sec and then it took 26.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

carbon-clean.co.uk performance score

15

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value10.4 s

0/100

10%

LCP (Largest Contentful Paint)

Value85.7 s

0/100

25%

SI (Speed Index)

Value25.9 s

0/100

10%

TBT (Total Blocking Time)

Value9,710 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.039

100/100

15%

TTI (Time to Interactive)

Value36.1 s

0/100

10%

Network Requests Diagram

www.carbon-clean.co.uk

1959 ms

js

106 ms

style-index.css

92 ms

mediaelementplayer-legacy.min.css

61 ms

wp-mediaelement.min.css

66 ms

Our browser made a total of 159 requests to load all elements on the main page. We found that 52% of them (83 requests) were addressed to the original Carbon-clean.co.uk, 21% (33 requests) were made to Fonts.gstatic.com and 14% (22 requests) were made to C0.wp.com. The less responsive or slowest element that took the longest time to load (20 sec) relates to the external source I0.wp.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 165.4 kB (4%)

Content Size

4.5 MB

After Optimization

4.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Carbon-clean.co.uk main page is 4.5 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. 80% 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 3.7 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 118.8 kB

  • Original 145.0 kB
  • After minification 131.8 kB
  • After compression 26.3 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 118.8 kB or 82% of the original size.

Image Optimization

-0%

Potential reduce by 15.5 kB

  • Original 3.7 MB
  • After minification 3.7 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. Carbon Clean images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 6.3 kB

  • Original 332.4 kB
  • After minification 332.4 kB
  • After compression 326.1 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

-9%

Potential reduce by 24.9 kB

  • Original 287.1 kB
  • After minification 274.6 kB
  • After compression 262.2 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. Carbon-clean.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 104 (90%)

Requests Now

116

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 116 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Carbon Clean. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 50 to 1 for JavaScripts and from 56 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

www.carbon-clean.co.uk

www.carbon-clean.co.uk

1959 ms

js

js

106 ms

style-index.css

style-index.css

92 ms

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mediaelementplayer-legacy.min.css

61 ms

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66 ms

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175 ms

styles.css

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261 ms

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263 ms

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340 ms

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422 ms

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432 ms

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509 ms

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512 ms

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515 ms

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513 ms

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514 ms

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600 ms

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602 ms

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604 ms

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605 ms

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674 ms

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679 ms

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89 ms

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1 ms

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586 ms

icons.css

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510 ms

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fontawesome.min.css

511 ms

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514 ms

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www.carbon-clean.co.uk

1428 ms

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534 ms

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584 ms

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513 ms

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589 ms

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515 ms

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518 ms

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582 ms

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585 ms

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582 ms

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509 ms

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512 ms

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586 ms

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587 ms

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580 ms

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css

19 ms

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592 ms

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507 ms

smush-lazy-load.min.js

smush-lazy-load.min.js

579 ms

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580 ms

responsive-videos.min.js

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579 ms

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588 ms

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593 ms

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591 ms

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594 ms

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593 ms

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667 ms

elements-handlers.min.js

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594 ms

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272 ms

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20003 ms

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2407 ms

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14817 ms

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403 ms

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577 ms

facebook-icon.png

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392 ms

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463 ms

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407 ms

widgets.min.js

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335 ms

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196 ms

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Accessibility Review

carbon-clean.co.uk accessibility score

74

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

High

ARIA IDs are not unique

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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

carbon-clean.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

carbon-clean.co.uk SEO score

79

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

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 Carbon-clean.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 Carbon-clean.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

carbon-clean.co.uk

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