Tools & Wizards About Us
mrcentralheating.co.uk screenshot

Report Summary

  • 30

    Performance

    Renders faster than
    50% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 84

    SEO

    Google-friendlier than
    52% of websites

mrcentralheating.co.uk

Boilers, Radiators & Plumbing - Mr Central Heating

Page Load Speed

4.8 sec in total

First Response

180 ms

Resources Loaded

4.1 sec

Page Rendered

576 ms

mrcentralheating.co.uk screenshot

About Website

Visit mrcentralheating.co.uk now to see the best up-to-date Mr Central Heating content for United Kingdom and also check out these interesting facts you probably never knew about mrcentralheating.co.uk

Mr Central Heating has 40 years experience selling heat packs, boilers, radiators, bathrooms & plumbing accessories from the top brand names.

Visit mrcentralheating.co.uk

Key Findings

We analyzed Mrcentralheating.co.uk page load time and found that the first response time was 180 ms and then it took 4.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

mrcentralheating.co.uk performance score

30

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.3 s

41/100

10%

LCP (Largest Contentful Paint)

Value10.4 s

0/100

25%

SI (Speed Index)

Value7.5 s

26/100

10%

TBT (Total Blocking Time)

Value400 ms

67/100

30%

CLS (Cumulative Layout Shift)

Value0.431

22/100

15%

TTI (Time to Interactive)

Value18.2 s

3/100

10%

Network Requests Diagram

mrcentralheating.co.uk

180 ms

www.mrcentralheating.co.uk

468 ms

mpBlogIcon.min.css

91 ms

styles-m.min.css

384 ms

amslick.min.css

265 ms

Our browser made a total of 194 requests to load all elements on the main page. We found that 98% of them (190 requests) were addressed to the original Mrcentralheating.co.uk, 1% (2 requests) were made to Register.feefo.com and 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (971 ms) belongs to the original domain Mrcentralheating.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 351.0 kB (12%)

Content Size

3.0 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Mrcentralheating.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. 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 2.6 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 214.4 kB

  • Original 247.4 kB
  • After minification 202.3 kB
  • After compression 33.0 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 45.1 kB, which is 18% 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 214.4 kB or 87% of the original size.

Image Optimization

-5%

Potential reduce by 136.1 kB

  • Original 2.6 MB
  • After minification 2.4 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. Mr Central Heating images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 76 B

  • Original 6.6 kB
  • After minification 6.6 kB
  • After compression 6.5 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

-0%

Potential reduce by 429 B

  • Original 184.9 kB
  • After minification 184.9 kB
  • After compression 184.5 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. Mrcentralheating.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 133 (78%)

Requests Now

170

After Optimization

37

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 170 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Mr Central Heating. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 118 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

mrcentralheating.co.uk

mrcentralheating.co.uk

180 ms

www.mrcentralheating.co.uk

www.mrcentralheating.co.uk

468 ms

mpBlogIcon.min.css

mpBlogIcon.min.css

91 ms

styles-m.min.css

styles-m.min.css

384 ms

amslick.min.css

amslick.min.css

265 ms

bootstrap.min.css

bootstrap.min.css

360 ms

autocomplete.min.css

autocomplete.min.css

267 ms

grid.min.css

grid.min.css

265 ms

algolia-reset.min.css

algolia-reset.min.css

267 ms

instantsearch.v3.min.css

instantsearch.v3.min.css

353 ms

recommend.min.css

recommend.min.css

354 ms

styles-l.min.css

styles-l.min.css

455 ms

require.min.js

require.min.js

355 ms

requirejs-min-resolver.min.js

requirejs-min-resolver.min.js

441 ms

mixins.min.js

mixins.min.js

442 ms

requirejs-config.min.js

requirejs-config.min.js

444 ms

addtobasket.min.js

addtobasket.min.js

448 ms

js

js

69 ms

remove-default-status.min.js

remove-default-status.min.js

543 ms

app-wholesale-plc

app-wholesale-plc

52 ms

mrchlogo.svg

mrchlogo.svg

126 ms

map-pin-blue.svg

map-pin-blue.svg

121 ms

user-blue.svg

user-blue.svg

123 ms

logout-blue.svg

logout-blue.svg

123 ms

basket-blue.svg

basket-blue.svg

124 ms

save-10-nav-banner.png

save-10-nav-banner.png

128 ms

newBanner.png

newBanner.png

293 ms

save-10-cylinder-nav.png

save-10-cylinder-nav.png

371 ms

flexibanner.png

flexibanner.png

370 ms

warning-ban.png

warning-ban.png

183 ms

delivery.svg

delivery.svg

181 ms

feefo-vector-logo.svg

feefo-vector-logo.svg

184 ms

click-collect.svg

click-collect.svg

291 ms

air-con.jpg

air-con.jpg

444 ms

mrch-secondary-5.png

mrch-secondary-5.png

370 ms

mrch-secondary-3.png

mrch-secondary-3.png

448 ms

renewables-v2.png

renewables-v2.png

371 ms

boiler-spares-v2.png

boiler-spares-v2.png

446 ms

mrch-compact-box-2.png

mrch-compact-box-2.png

530 ms

mrch-compact-box-tablet.png

mrch-compact-box-tablet.png

532 ms

mrch-save-10-banners-2.png

mrch-save-10-banners-2.png

534 ms

mrch-save-10-banners-3.png

mrch-save-10-banners-3.png

622 ms

mrch-top-cat-boilers.png

mrch-top-cat-boilers.png

971 ms

mrch-top-cat-radiators.png

mrch-top-cat-radiators.png

636 ms

mrch-top-cat-heating-controls.png

mrch-top-cat-heating-controls.png

799 ms

tado.png

tado.png

621 ms

eca.png

eca.png

625 ms

ALTECNIC-LOGO.png

ALTECNIC-LOGO.png

711 ms

grundfos.png

grundfos.png

710 ms

triton.png

triton.png

714 ms

sanha-logo.png

sanha-logo.png

727 ms

express-0346-anthracite-horizontal_9.jpg

express-0346-anthracite-horizontal_9.jpg

801 ms

hpid6r32-grant-aerona3-6kw-r32-1.jpg

hpid6r32-grant-aerona3-6kw-r32-1.jpg

800 ms

easi-heat-i-combi-3.jpg

easi-heat-i-combi-3.jpg

803 ms

jquery.min.js

jquery.min.js

820 ms

common.min.js

common.min.js

835 ms

dataPost.min.js

dataPost.min.js

770 ms

bootstrap.min.js

bootstrap.min.js

770 ms

app.min.js

app.min.js

771 ms

form-key-provider.min.js

form-key-provider.min.js

789 ms

mage-translation-dictionary.min.js

mage-translation-dictionary.min.js

855 ms

instantsearch.min.js

instantsearch.min.js

798 ms

insights.min.js

insights.min.js

799 ms

theme.min.js

theme.min.js

798 ms

autocomplete.min.js

autocomplete.min.js

821 ms

tc.min.js

tc.min.js

80 ms

confirm.min.js

confirm.min.js

770 ms

loader.min.js

loader.min.js

775 ms

feefo-widget.js

feefo-widget.js

50 ms

am-recaptcha.min.js

am-recaptcha.min.js

700 ms

Montserrat-Regular.woff

Montserrat-Regular.woff

813 ms

Montserrat-Medium.woff

Montserrat-Medium.woff

702 ms

Montserrat-Light.woff

Montserrat-Light.woff

734 ms

Montserrat-ExtraLight.woff

Montserrat-ExtraLight.woff

706 ms

Montserrat-Thin.woff

Montserrat-Thin.woff

736 ms

Montserrat-SemiBold.woff

Montserrat-SemiBold.woff

733 ms

Montserrat-Bold.woff

Montserrat-Bold.woff

654 ms

Montserrat-ExtraBold.woff

Montserrat-ExtraBold.woff

708 ms

Montserrat-Black.woff

Montserrat-Black.woff

734 ms

Montserrat-Italic.woff

Montserrat-Italic.woff

648 ms

Montserrat-MediumItalic.woff

Montserrat-MediumItalic.woff

648 ms

Montserrat-LightItalic.woff

Montserrat-LightItalic.woff

645 ms

Montserrat-ExtraLightItalic.woff

Montserrat-ExtraLightItalic.woff

633 ms

Montserrat-ThinItalic.woff

Montserrat-ThinItalic.woff

609 ms

Montserrat-SemiBoldItalic.woff

Montserrat-SemiBoldItalic.woff

632 ms

Montserrat-BoldItalic.woff

Montserrat-BoldItalic.woff

632 ms

Montserrat-ExtraBoldItalic.woff

Montserrat-ExtraBoldItalic.woff

669 ms

Montserrat-BlackItalic.woff

Montserrat-BlackItalic.woff

599 ms

jquery-mixin.min.js

jquery-mixin.min.js

546 ms

cookies.min.js

cookies.min.js

596 ms

opensans-400.woff

opensans-400.woff

624 ms

opensans-300.woff

opensans-300.woff

637 ms

opensans-600.woff

opensans-600.woff

587 ms

opensans-700.woff

opensans-700.woff

586 ms

jquery-migrate.min.js

jquery-migrate.min.js

586 ms

domReady.min.js

domReady.min.js

585 ms

template.min.js

template.min.js

606 ms

widget.min.js

widget.min.js

557 ms

main.min.js

main.min.js

551 ms

bootstrap.min.js

bootstrap.min.js

552 ms

types.min.js

types.min.js

550 ms

layout.min.js

layout.min.js

565 ms

text.min.js

text.min.js

595 ms

smart-keyboard-handler.min.js

smart-keyboard-handler.min.js

547 ms

mage.min.js

mage.min.js

543 ms

ie-class-fixer.min.js

ie-class-fixer.min.js

543 ms

underscore.min.js

underscore.min.js

511 ms

translate.min.js

translate.min.js

490 ms

modal.min.js

modal.min.js

507 ms

knockout.min.js

knockout.min.js

526 ms

micro-adey_1.jpg

micro-adey_1.jpg

520 ms

plane-white.svg

plane-white.svg

520 ms

select-bg.svg

select-bg.svg

467 ms

wrapper.min.js

wrapper.min.js

328 ms

cookie-wrapper.min.js

cookie-wrapper.min.js

348 ms

main.min.js

main.min.js

257 ms

knockout-es5.min.js

knockout-es5.min.js

257 ms

version.min.js

version.min.js

259 ms

scripts.min.js

scripts.min.js

258 ms

engine.min.js

engine.min.js

276 ms

bootstrap.min.js

bootstrap.min.js

325 ms

observable_array.min.js

observable_array.min.js

356 ms

bound-nodes.min.js

bound-nodes.min.js

356 ms

registry.min.js

registry.min.js

350 ms

console-logger.min.js

console-logger.min.js

345 ms

js-translation.json

js-translation.json

305 ms

modal-popup.html

modal-popup.html

265 ms

modal-slide.html

modal-slide.html

281 ms

modal-custom.html

modal-custom.html

280 ms

key-codes.min.js

key-codes.min.js

283 ms

core.min.js

core.min.js

282 ms

z-index.min.js

z-index.min.js

303 ms

js.cookie.min.js

js.cookie.min.js

267 ms

arrays.min.js

arrays.min.js

258 ms

compare.min.js

compare.min.js

259 ms

misc.min.js

misc.min.js

263 ms

objects.min.js

objects.min.js

261 ms

strings.min.js

strings.min.js

280 ms

template.min.js

template.min.js

329 ms

observable_source.min.js

observable_source.min.js

325 ms

renderer.min.js

renderer.min.js

325 ms

knockout-repeat.min.js

knockout-repeat.min.js

281 ms

knockout-fast-foreach.min.js

knockout-fast-foreach.min.js

278 ms

resizable.min.js

resizable.min.js

282 ms

i18n.min.js

i18n.min.js

332 ms

scope.min.js

scope.min.js

346 ms

range.min.js

range.min.js

347 ms

mage-init.min.js

mage-init.min.js

350 ms

keyboard.min.js

keyboard.min.js

349 ms

optgroup.min.js

optgroup.min.js

370 ms

after-render.min.js

after-render.min.js

418 ms

autoselect.min.js

autoselect.min.js

433 ms

datepicker.min.js

datepicker.min.js

433 ms

outer_click.min.js

outer_click.min.js

437 ms

fadeVisible.min.js

fadeVisible.min.js

436 ms

collapsible.min.js

collapsible.min.js

457 ms

staticChecked.min.js

staticChecked.min.js

506 ms

simple-checked.min.js

simple-checked.min.js

518 ms

bind-html.min.js

bind-html.min.js

519 ms

tooltip.min.js

tooltip.min.js

521 ms

color-picker.min.js

color-picker.min.js

518 ms

events.min.js

events.min.js

533 ms

local.min.js

local.min.js

536 ms

logger.min.js

logger.min.js

533 ms

entry-factory.min.js

entry-factory.min.js

533 ms

console-output-handler.min.js

console-output-handler.min.js

535 ms

formatter.min.js

formatter.min.js

534 ms

message-pool.min.js

message-pool.min.js

534 ms

levels-pool.min.js

levels-pool.min.js

533 ms

logger-utils.min.js

logger-utils.min.js

534 ms

data.min.js

data.min.js

531 ms

disable-selection.min.js

disable-selection.min.js

535 ms

focusable.min.js

focusable.min.js

534 ms

form.min.js

form.min.js

533 ms

ie.min.js

ie.min.js

533 ms

keycode.min.js

keycode.min.js

534 ms

labels.min.js

labels.min.js

534 ms

jquery-patch.min.js

jquery-patch.min.js

534 ms

plugin.min.js

plugin.min.js

533 ms

safe-active-element.min.js

safe-active-element.min.js

535 ms

safe-blur.min.js

safe-blur.min.js

532 ms

scroll-parent.min.js

scroll-parent.min.js

534 ms

tabbable.min.js

tabbable.min.js

532 ms

unique-id.min.js

unique-id.min.js

534 ms

class.min.js

class.min.js

533 ms

loader.min.js

loader.min.js

534 ms

async.min.js

async.min.js

533 ms

spectrum.min.js

spectrum.min.js

444 ms

tinycolor.min.js

tinycolor.min.js

441 ms

tooltip.html

tooltip.html

443 ms

moment.min.js

moment.min.js

361 ms

entry.min.js

entry.min.js

376 ms

dom-observer.min.js

dom-observer.min.js

90 ms

bindings.min.js

bindings.min.js

101 ms

Accessibility Review

mrcentralheating.co.uk accessibility score

80

Accessibility Issues

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.

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

Tables and lists

These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.

Impact

Issue

High

Lists do not contain only <li> elements and script supporting elements (<script> and <template>).

High

List items (<li>) are not contained within <ul> or <ol> parent elements.

Best practices

These items highlight common accessibility best practices.

Impact

Issue

High

[user-scalable="no"] is used in the <meta name="viewport"> element or the [maximum-scale] attribute is less than 5.

Best Practices

mrcentralheating.co.uk best practices score

92

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

Page has valid source maps

SEO Factors

mrcentralheating.co.uk SEO score

84

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

High

Tap targets are not sized appropriately

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 Mrcentralheating.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 Mrcentralheating.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

mrcentralheating.co.uk

Open Graph description is not detected on the main page of Mr Central Heating. 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: