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flushking.co.uk screenshot

Report Summary

  • 33

    Performance

    Renders faster than
    53% of other websites

  • 81

    Accessibility

    Visual factors better than
    that of 51% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 83

    SEO

    Google-friendlier than
    46% of websites

flushking.co.uk

Boilers, Radiators & Plumbing - Mr Central Heating

Page Load Speed

5.4 sec in total

First Response

266 ms

Resources Loaded

4.3 sec

Page Rendered

875 ms

flushking.co.uk screenshot

About Website

Click here to check amazing Flushking content. Otherwise, check out these important facts you probably never knew about flushking.co.uk

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

Visit flushking.co.uk

Key Findings

We analyzed Flushking.co.uk page load time and found that the first response time was 266 ms and then it took 5.1 sec to load all DOM resources and completely render a web page. This is a poor result, as 75% of websites can load faster.

Performance Metrics

flushking.co.uk performance score

33

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

48/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

16/100

25%

SI (Speed Index)

Value7.9 s

23/100

10%

TBT (Total Blocking Time)

Value1,120 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0.065

97/100

15%

TTI (Time to Interactive)

Value18.1 s

3/100

10%

Network Requests Diagram

flushking.co.uk

266 ms

www.mrcentralheating.co.uk

497 ms

mpBlogIcon.min.css

130 ms

styles-m.min.css

422 ms

amslick.min.css

264 ms

Our browser made a total of 207 requests to load all elements on the main page. We found that 0% of them (1 request) were addressed to the original Flushking.co.uk, 98% (202 requests) were made to Mrcentralheating.co.uk and 1% (2 requests) were made to Register.feefo.com. The less responsive or slowest element that took the longest time to load (761 ms) relates to the external source Mrcentralheating.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 382.1 kB (17%)

Content Size

2.3 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Flushking.co.uk main page is 2.3 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. 75% 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 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-88%

Potential reduce by 228.9 kB

  • Original 260.8 kB
  • After minification 212.7 kB
  • After compression 31.9 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 48.1 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 228.9 kB or 88% of the original size.

Image Optimization

-8%

Potential reduce by 143.4 kB

  • Original 1.8 MB
  • After minification 1.6 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. Flushking images are well optimized though.

JavaScript Optimization

-27%

Potential reduce by 9.3 kB

  • Original 35.0 kB
  • After minification 35.0 kB
  • After compression 25.7 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 9.3 kB or 27% of the original size.

CSS Optimization

-0%

Potential reduce by 452 B

  • Original 185.2 kB
  • After minification 185.2 kB
  • After compression 184.8 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. Flushking.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 132 (73%)

Requests Now

182

After Optimization

50

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 182 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Flushking. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 117 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

flushking.co.uk

flushking.co.uk

266 ms

www.mrcentralheating.co.uk

www.mrcentralheating.co.uk

497 ms

mpBlogIcon.min.css

mpBlogIcon.min.css

130 ms

styles-m.min.css

styles-m.min.css

422 ms

amslick.min.css

amslick.min.css

264 ms

bootstrap.min.css

bootstrap.min.css

360 ms

autocomplete.min.css

autocomplete.min.css

266 ms

grid.min.css

grid.min.css

265 ms

algolia-reset.min.css

algolia-reset.min.css

264 ms

instantsearch.v3.min.css

instantsearch.v3.min.css

352 ms

recommend.min.css

recommend.min.css

352 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

451 ms

mixins.min.js

mixins.min.js

451 ms

requirejs-config.min.js

requirejs-config.min.js

452 ms

addtobasket.min.js

addtobasket.min.js

452 ms

uc.js

uc.js

112 ms

remove-default-status.min.js

remove-default-status.min.js

520 ms

js

js

48 ms

app-wholesale-plc

app-wholesale-plc

164 ms

mrchlogo.svg

mrchlogo.svg

98 ms

map-pin-blue.svg

map-pin-blue.svg

96 ms

user-blue.svg

user-blue.svg

94 ms

logout-blue.svg

logout-blue.svg

94 ms

basket-blue.svg

basket-blue.svg

96 ms

navien-nav-banner.jpg

navien-nav-banner.jpg

230 ms

DesignerRadiators-Navbanner_1.5x.jpg

DesignerRadiators-Navbanner_1.5x.jpg

355 ms

save-10-cylinder-nav.png

save-10-cylinder-nav.png

183 ms

flexibanner.png

flexibanner.png

353 ms

delivery.svg

delivery.svg

179 ms

feefo.svg

feefo.svg

180 ms

stores.svg

stores.svg

265 ms

paypal.png

paypal.png

267 ms

navien-1.jpg

navien-1.jpg

443 ms

navien-2.jpg

navien-2.jpg

287 ms

mrch-secondary-free-trv.jpg

mrch-secondary-free-trv.jpg

528 ms

mrch-rb-25.jpg

mrch-rb-25.jpg

443 ms

review-2.jpg

review-2.jpg

377 ms

compact-rads.jpg

compact-rads.jpg

444 ms

heat-pumps.jpg

heat-pumps.jpg

528 ms

revive-bathrooms.jpg

revive-bathrooms.jpg

467 ms

boiler-spares.jpg

boiler-spares.jpg

535 ms

revive-radiators.jpg

revive-radiators.jpg

619 ms

lp-boilers.jpg

lp-boilers.jpg

534 ms

mrch-save-10-banners-2.png

mrch-save-10-banners-2.png

558 ms

mrch-save-10-banners-3.png

mrch-save-10-banners-3.png

704 ms

mrch-top-cat-boilers_2.jpg

mrch-top-cat-boilers_2.jpg

618 ms

mrch-top-cat-radiators.jpg

mrch-top-cat-radiators.jpg

623 ms

heating-controls_6.jpg

heating-controls_6.jpg

623 ms

heat-pump-vertical.jpg

heat-pump-vertical.jpg

648 ms

compact_image1_large.jpg

compact_image1_large.jpg

706 ms

revive.png

revive.png

707 ms

milwaukee.png

milwaukee.png

710 ms

flexigas.png

flexigas.png

712 ms

jquery.min.js

jquery.min.js

745 ms

common.min.js

common.min.js

761 ms

dataPost.min.js

dataPost.min.js

706 ms

bootstrap.min.js

bootstrap.min.js

704 ms

app.min.js

app.min.js

707 ms

form-key-provider.min.js

form-key-provider.min.js

707 ms

mage-translation-dictionary.min.js

mage-translation-dictionary.min.js

743 ms

instantsearch.min.js

instantsearch.min.js

702 ms

insights.min.js

insights.min.js

705 ms

theme.min.js

theme.min.js

659 ms

autocomplete.min.js

autocomplete.min.js

660 ms

feefo-widget.js

feefo-widget.js

31 ms

confirm.min.js

confirm.min.js

627 ms

loader.min.js

loader.min.js

662 ms

am-recaptcha.min.js

am-recaptcha.min.js

683 ms

Montserrat-Regular.woff

Montserrat-Regular.woff

712 ms

Montserrat-Medium.woff

Montserrat-Medium.woff

626 ms

Montserrat-Light.woff

Montserrat-Light.woff

709 ms

Montserrat-ExtraLight.woff

Montserrat-ExtraLight.woff

561 ms

Montserrat-Thin.woff

Montserrat-Thin.woff

591 ms

Montserrat-SemiBold.woff

Montserrat-SemiBold.woff

708 ms

Montserrat-Bold.woff

Montserrat-Bold.woff

619 ms

Montserrat-ExtraBold.woff

Montserrat-ExtraBold.woff

559 ms

Montserrat-Black.woff

Montserrat-Black.woff

595 ms

Montserrat-Italic.woff

Montserrat-Italic.woff

641 ms

Montserrat-MediumItalic.woff

Montserrat-MediumItalic.woff

727 ms

Montserrat-LightItalic.woff

Montserrat-LightItalic.woff

616 ms

Montserrat-ExtraLightItalic.woff

Montserrat-ExtraLightItalic.woff

557 ms

Montserrat-ThinItalic.woff

Montserrat-ThinItalic.woff

588 ms

Montserrat-SemiBoldItalic.woff

Montserrat-SemiBoldItalic.woff

618 ms

Montserrat-BoldItalic.woff

Montserrat-BoldItalic.woff

638 ms

Montserrat-ExtraBoldItalic.woff

Montserrat-ExtraBoldItalic.woff

615 ms

Montserrat-BlackItalic.woff

Montserrat-BlackItalic.woff

559 ms

jquery-mixin.min.js

jquery-mixin.min.js

596 ms

pmTPTrack.min.js

pmTPTrack.min.js

621 ms

opensans-400.woff

opensans-400.woff

620 ms

opensans-300.woff

opensans-300.woff

639 ms

opensans-600.woff

opensans-600.woff

596 ms

opensans-700.woff

opensans-700.woff

561 ms

jquery-migrate.min.js

jquery-migrate.min.js

586 ms

slick.min.js

slick.min.js

624 ms

domReady.min.js

domReady.min.js

620 ms

main.min.js

main.min.js

622 ms

bootstrap.min.js

bootstrap.min.js

591 ms

template.min.js

template.min.js

552 ms

widget.min.js

widget.min.js

583 ms

types.min.js

types.min.js

623 ms

layout.min.js

layout.min.js

621 ms

text.min.js

text.min.js

624 ms

smart-keyboard-handler.min.js

smart-keyboard-handler.min.js

591 ms

mage.min.js

mage.min.js

553 ms

ie-class-fixer.min.js

ie-class-fixer.min.js

555 ms

underscore.min.js

underscore.min.js

565 ms

translate.min.js

translate.min.js

546 ms

modal.min.js

modal.min.js

518 ms

knockout.min.js

knockout.min.js

527 ms

grundfos.png

grundfos.png

535 ms

triton.png

triton.png

524 ms

totalhome.png

totalhome.png

543 ms

express-0346-anthracite-horizontal_9.jpg

express-0346-anthracite-horizontal_9.jpg

514 ms

easi-heat-i-combi-3.jpg

easi-heat-i-combi-3.jpg

519 ms

micro-adey_1.jpg

micro-adey_1.jpg

527 ms

who-we-are.jpg

who-we-are.jpg

586 ms

plane-white.svg

plane-white.svg

507 ms

pay.jpg

pay.jpg

515 ms

adyen.png

adyen.png

514 ms

feefoplatinum-small.png

feefoplatinum-small.png

518 ms

feefoplatinum-small-2021.jpg

feefoplatinum-small-2021.jpg

527 ms

feefo2022-light.png

feefo2022-light.png

523 ms

wrapper.min.js

wrapper.min.js

562 ms

feefoplatinum-small-2023.png

feefoplatinum-small-2023.png

546 ms

feefo-stars-yellow-four.svg

feefo-stars-yellow-four.svg

524 ms

select-bg.svg

select-bg.svg

620 ms

scripts.min.js

scripts.min.js

545 ms

knockout-es5.min.js

knockout-es5.min.js

544 ms

engine.min.js

engine.min.js

541 ms

bootstrap.min.js

bootstrap.min.js

541 ms

observable_array.min.js

observable_array.min.js

540 ms

bound-nodes.min.js

bound-nodes.min.js

541 ms

version.min.js

version.min.js

505 ms

main.min.js

main.min.js

494 ms

registry.min.js

registry.min.js

533 ms

console-logger.min.js

console-logger.min.js

529 ms

js-translation.json

js-translation.json

532 ms

modal-popup.html

modal-popup.html

452 ms

modal-slide.html

modal-slide.html

455 ms

modal-custom.html

modal-custom.html

485 ms

key-codes.min.js

key-codes.min.js

527 ms

core.min.js

core.min.js

524 ms

z-index.min.js

z-index.min.js

530 ms

navien-2.jpg

navien-2.jpg

176 ms

knockout-repeat.min.js

knockout-repeat.min.js

159 ms

knockout-fast-foreach.min.js

knockout-fast-foreach.min.js

189 ms

events.min.js

events.min.js

228 ms

observable_source.min.js

observable_source.min.js

228 ms

renderer.min.js

renderer.min.js

232 ms

resizable.min.js

resizable.min.js

245 ms

i18n.min.js

i18n.min.js

244 ms

scope.min.js

scope.min.js

273 ms

range.min.js

range.min.js

314 ms

mage-init.min.js

mage-init.min.js

315 ms

keyboard.min.js

keyboard.min.js

320 ms

optgroup.min.js

optgroup.min.js

331 ms

after-render.min.js

after-render.min.js

332 ms

autoselect.min.js

autoselect.min.js

361 ms

datepicker.min.js

datepicker.min.js

400 ms

outer_click.min.js

outer_click.min.js

402 ms

fadeVisible.min.js

fadeVisible.min.js

406 ms

collapsible.min.js

collapsible.min.js

418 ms

staticChecked.min.js

staticChecked.min.js

419 ms

simple-checked.min.js

simple-checked.min.js

448 ms

bind-html.min.js

bind-html.min.js

487 ms

tooltip.min.js

tooltip.min.js

488 ms

color-picker.min.js

color-picker.min.js

492 ms

arrays.min.js

arrays.min.js

495 ms

compare.min.js

compare.min.js

496 ms

misc.min.js

misc.min.js

526 ms

objects.min.js

objects.min.js

531 ms

strings.min.js

strings.min.js

531 ms

template.min.js

template.min.js

530 ms

local.min.js

local.min.js

535 ms

logger.min.js

logger.min.js

532 ms

entry-factory.min.js

entry-factory.min.js

531 ms

console-output-handler.min.js

console-output-handler.min.js

530 ms

formatter.min.js

formatter.min.js

530 ms

message-pool.min.js

message-pool.min.js

531 ms

levels-pool.min.js

levels-pool.min.js

531 ms

logger-utils.min.js

logger-utils.min.js

531 ms

data.min.js

data.min.js

532 ms

disable-selection.min.js

disable-selection.min.js

531 ms

focusable.min.js

focusable.min.js

528 ms

form.min.js

form.min.js

529 ms

ie.min.js

ie.min.js

530 ms

keycode.min.js

keycode.min.js

530 ms

labels.min.js

labels.min.js

531 ms

jquery-patch.min.js

jquery-patch.min.js

530 ms

plugin.min.js

plugin.min.js

528 ms

safe-active-element.min.js

safe-active-element.min.js

530 ms

safe-blur.min.js

safe-blur.min.js

529 ms

scroll-parent.min.js

scroll-parent.min.js

529 ms

tabbable.min.js

tabbable.min.js

530 ms

unique-id.min.js

unique-id.min.js

529 ms

class.min.js

class.min.js

527 ms

loader.min.js

loader.min.js

530 ms

async.min.js

async.min.js

529 ms

tooltip.html

tooltip.html

459 ms

spectrum.min.js

spectrum.min.js

487 ms

tinycolor.min.js

tinycolor.min.js

524 ms

entry.min.js

entry.min.js

388 ms

moment.min.js

moment.min.js

363 ms

dom-observer.min.js

dom-observer.min.js

90 ms

bindings.min.js

bindings.min.js

90 ms

Accessibility Review

flushking.co.uk accessibility score

81

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

flushking.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

flushking.co.uk SEO score

83

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 Flushking.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 Flushking.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

flushking.co.uk

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