Tools & Wizards About Us
boilerguide.co.uk screenshot

Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

boilerguide.co.uk

Boiler Guide: Quotes, Prices, Comparison & Reviews

Page Load Speed

3.8 sec in total

First Response

190 ms

Resources Loaded

2.9 sec

Page Rendered

766 ms

boilerguide.co.uk screenshot

About Website

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

The smarter way to find approved, local heating engineers in your area. Get quotes and compare prices today! ☎ 0330 808 0405

Visit boilerguide.co.uk

Key Findings

We analyzed Boilerguide.co.uk page load time and found that the first response time was 190 ms and then it took 3.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.

Performance Metrics

boilerguide.co.uk performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value4.9 s

10/100

10%

LCP (Largest Contentful Paint)

Value6.2 s

11/100

25%

SI (Speed Index)

Value6.7 s

36/100

10%

TBT (Total Blocking Time)

Value2,340 ms

5/100

30%

CLS (Cumulative Layout Shift)

Value0.048

99/100

15%

TTI (Time to Interactive)

Value16.1 s

6/100

10%

Network Requests Diagram

boilerguide.co.uk

190 ms

boilerguide.co.uk

287 ms

www.boilerguide.co.uk

1157 ms

tp.widget.bootstrap.min.js

19 ms

j.php

55 ms

Our browser made a total of 59 requests to load all elements on the main page. We found that 61% of them (36 requests) were addressed to the original Boilerguide.co.uk, 8% (5 requests) were made to Dev.visualwebsiteoptimizer.com and 5% (3 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Boilerguide.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 798.2 kB (64%)

Content Size

1.2 MB

After Optimization

446.1 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Boilerguide.co.uk main page is 1.2 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. 55% of websites need less resources to load. HTML takes 599.0 kB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 528.8 kB

  • Original 599.0 kB
  • After minification 535.0 kB
  • After compression 70.2 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. This page needs HTML code to be minified as it can gain 64.0 kB, which is 11% 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 528.8 kB or 88% of the original size.

Image Optimization

-7%

Potential reduce by 11.7 kB

  • Original 171.0 kB
  • After minification 159.3 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. Boiler Guide images are well optimized though.

JavaScript Optimization

-54%

Potential reduce by 257.6 kB

  • Original 474.3 kB
  • After minification 474.3 kB
  • After compression 216.7 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 257.6 kB or 54% of the original size.

Requests Breakdown

Number of requests can be reduced by 30 (55%)

Requests Now

55

After Optimization

25

  • Images
  • JavaScript

The browser has sent 55 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Boiler Guide. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 25 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

boilerguide.co.uk

boilerguide.co.uk

190 ms

boilerguide.co.uk

boilerguide.co.uk

287 ms

www.boilerguide.co.uk

www.boilerguide.co.uk

1157 ms

tp.widget.bootstrap.min.js

tp.widget.bootstrap.min.js

19 ms

j.php

j.php

55 ms

v.gif

v.gif

4 ms

tag-f27920e8127c636f988deb777d3577e5.js

tag-f27920e8127c636f988deb777d3577e5.js

12 ms

settings.js

settings.js

48 ms

logo.png

logo.png

273 ms

gtm.js

gtm.js

55 ms

new-boiler-icon.png

new-boiler-icon.png

240 ms

new-central-heating-icon.png

new-central-heating-icon.png

239 ms

Trustpilot-light.svg

Trustpilot-light.svg

350 ms

spritesheet-icons.png

spritesheet-icons.png

458 ms

compare-boiler-icon.png

compare-boiler-icon.png

346 ms

find-an-engineer-icon.png

find-an-engineer-icon.png

350 ms

guides-advice-icon.png

guides-advice-icon.png

351 ms

home-logo-guardian.png

home-logo-guardian.png

350 ms

home-logo-sun.png

home-logo-sun.png

427 ms

home-logo-telegraph.png

home-logo-telegraph.png

494 ms

home-logo-collection.png

home-logo-collection.png

497 ms

trusted-approved-watermark.svg

trusted-approved-watermark.svg

700 ms

installer-logo-RBD-Multitrades.png

installer-logo-RBD-Multitrades.png

494 ms

installer-logo-Heatlex-Group.png

installer-logo-Heatlex-Group.png

509 ms

installer-logo-t-bennett-plumbing-heating.png

installer-logo-t-bennett-plumbing-heating.png

531 ms

installer-logo-Lambert-Plumbing-Heating.png

installer-logo-Lambert-Plumbing-Heating.png

585 ms

installer-logo-South-London-Heating.png

installer-logo-South-London-Heating.png

583 ms

installer-logo-a-epluming-heating.png

installer-logo-a-epluming-heating.png

582 ms

installer-logo-ecosmart-heating.png

installer-logo-ecosmart-heating.png

590 ms

installer-logo-home-utility-group.png

installer-logo-home-utility-group.png

611 ms

featured-articles-arrow.svg

featured-articles-arrow.svg

692 ms

map.svg

map.svg

759 ms

timer-clock.svg

timer-clock.svg

693 ms

bg-employee.png

bg-employee.png

739 ms

a15d92d71d24fbcc38582631dff3493e.js

a15d92d71d24fbcc38582631dff3493e.js

575 ms

l147d2lzy9

l147d2lzy9

298 ms

destination

destination

107 ms

matomo.js

matomo.js

257 ms

bat.js

bat.js

277 ms

js

js

198 ms

api.min.js

api.min.js

268 ms

fbevents.js

fbevents.js

163 ms

runtime.887dd884.js

runtime.887dd884.js

610 ms

0.d8be8ab9.js

0.d8be8ab9.js

688 ms

1.5f66896d.js

1.5f66896d.js

694 ms

index.eedcfe43.js

index.eedcfe43.js

902 ms

home.51e56f25.js

home.51e56f25.js

774 ms

4.4c5d5b61.js

4.4c5d5b61.js

737 ms

location-form.9057b887.js

location-form.9057b887.js

750 ms

logo-footer.png

logo-footer.png

763 ms

embed.php

embed.php

595 ms

matomo.php

matomo.php

451 ms

4028168.js

4028168.js

12 ms

clarity.js

clarity.js

6 ms

4028168

4028168

15 ms

landing

landing

30 ms

landing

landing

42 ms

settings.js

settings.js

82 ms

c.gif

c.gif

8 ms

Accessibility Review

boilerguide.co.uk accessibility score

83

Accessibility Issues

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

Buttons do not have an accessible name

High

Image elements do not have [alt] attributes

High

Links do not have a discernible name

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

Best Practices

boilerguide.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

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

boilerguide.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

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 Boilerguide.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 Boilerguide.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

boilerguide.co.uk

Open Graph description is not detected on the main page of Boiler Guide. 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: