Report Summary

  • 60

    Performance

    Renders faster than
    76% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 77% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

trustedtraders.which.co.uk

Find traders near you with Which? Trusted Traders | Which?

Page Load Speed

3.6 sec in total

First Response

413 ms

Resources Loaded

2.7 sec

Page Rendered

479 ms

trustedtraders.which.co.uk screenshot

About Website

Visit trustedtraders.which.co.uk now to see the best up-to-date Trusted Traders Which content for United Kingdom and also check out these interesting facts you probably never knew about trustedtraders.which.co.uk

Find builders, electricians, plumbers, garages or other traders in your area that have been endorsed by Which? Trusted Traders. Our logo is a sign of reputation and trust, helping you to choose the ri...

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Key Findings

We analyzed Trustedtraders.which.co.uk page load time and found that the first response time was 413 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

trustedtraders.which.co.uk performance score

60

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

55/100

10%

LCP (Largest Contentful Paint)

Value4.5 s

36/100

25%

SI (Speed Index)

Value3.6 s

87/100

10%

TBT (Total Blocking Time)

Value450 ms

63/100

30%

CLS (Cumulative Layout Shift)

Value0.044

99/100

15%

TTI (Time to Interactive)

Value9.0 s

34/100

10%

Network Requests Diagram

trustedtraders.which.co.uk

413 ms

application-a168de5437f4f4987ab3edf0b644d189e4b238476e82fd2b1444002b49a8d04d.css

24 ms

application-f2fa9f333ebc607008255f21e7dc58b6.css

461 ms

application-58fb6c584936d2f2da366a4865116d898fb4c34b6a32c48f34ce2bde60d95a1b.js

84 ms

example.wink.css

245 ms

Our browser made a total of 60 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Trustedtraders.which.co.uk, 42% (25 requests) were made to D1ahu1gd5vk2b3.cloudfront.net and 10% (6 requests) were made to Fonts-which-co-uk.s3.amazonaws.com. The less responsive or slowest element that took the longest time to load (1.3 sec) relates to the external source Fonts-which-co-uk.s3.amazonaws.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.4 MB (47%)

Content Size

3.0 MB

After Optimization

1.6 MB

In fact, the total size of Trustedtraders.which.co.uk main page is 3.0 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 1.2 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 169.8 kB

  • Original 194.3 kB
  • After minification 157.3 kB
  • After compression 24.5 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 37.1 kB, which is 19% 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 169.8 kB or 87% of the original size.

Image Optimization

-1%

Potential reduce by 16.0 kB

  • Original 1.2 MB
  • After minification 1.2 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. Trusted Traders Which images are well optimized though.

JavaScript Optimization

-69%

Potential reduce by 589.5 kB

  • Original 856.8 kB
  • After minification 854.1 kB
  • After compression 267.3 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 589.5 kB or 69% of the original size.

CSS Optimization

-87%

Potential reduce by 638.5 kB

  • Original 737.4 kB
  • After minification 732.6 kB
  • After compression 98.9 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. Trustedtraders.which.co.uk needs all CSS files to be minified and compressed as it can save up to 638.5 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 31 (62%)

Requests Now

50

After Optimization

19

The browser has sent 50 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Trusted Traders Which. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 13 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

trustedtraders.which.co.uk accessibility score

91

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 IDs are not unique

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

Links do not have a discernible name

Best Practices

trustedtraders.which.co.uk best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

SEO Factors

trustedtraders.which.co.uk SEO score

86

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

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Trustedtraders.which.co.uk can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Trustedtraders.which.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 Trusted Traders Which. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: