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Report Summary

  • 38

    Performance

    Renders faster than
    57% of other websites

  • 87

    Accessibility

    Visual factors better than
    that of 66% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 76

    SEO

    Google-friendlier than
    35% of websites

centralheat.co.uk

Centralheat – Offering luxury bathrooms , Crosswater Taps, Simpson Showers, Water Softeners and more

Page Load Speed

5.9 sec in total

First Response

614 ms

Resources Loaded

4.9 sec

Page Rendered

380 ms

centralheat.co.uk screenshot

About Website

Click here to check amazing Centralheat content for India. Otherwise, check out these important facts you probably never knew about centralheat.co.uk

Centralheat – Offering luxury bathrooms , Crosswater Taps, Simpson Showers, Water Softeners and more

Visit centralheat.co.uk

Key Findings

We analyzed Centralheat.co.uk page load time and found that the first response time was 614 ms and then it took 5.3 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

centralheat.co.uk performance score

38

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.5 s

65/100

10%

LCP (Largest Contentful Paint)

Value5.7 s

17/100

25%

SI (Speed Index)

Value6.8 s

34/100

10%

TBT (Total Blocking Time)

Value390 ms

69/100

30%

CLS (Cumulative Layout Shift)

Value0.683

7/100

15%

TTI (Time to Interactive)

Value11.2 s

20/100

10%

Network Requests Diagram

www.centralheat.co.uk

614 ms

bb91a9918cbfcbbd14569d6b5f4c2d21.min.css

238 ms

styles-l.min.css

320 ms

logo.jpg

393 ms

12_1_.jpg

338 ms

Our browser made a total of 208 requests to load all elements on the main page. We found that 96% of them (200 requests) were addressed to the original Centralheat.co.uk, 1% (2 requests) were made to Cdn.ywxi.net and 1% (2 requests) were made to S3-us-west-2.amazonaws.com. The less responsive or slowest element that took the longest time to load (1.5 sec) belongs to the original domain Centralheat.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 254.8 kB (13%)

Content Size

1.9 MB

After Optimization

1.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Centralheat.co.uk main page is 1.9 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. Images take 1.4 MB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 139.9 kB

  • Original 162.8 kB
  • After minification 159.1 kB
  • After compression 22.9 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. 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 139.9 kB or 86% of the original size.

Image Optimization

-8%

Potential reduce by 108.8 kB

  • Original 1.4 MB
  • After minification 1.3 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. Centralheat images are well optimized though.

JavaScript Optimization

-3%

Potential reduce by 5.9 kB

  • Original 228.6 kB
  • After minification 228.4 kB
  • After compression 222.7 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. This website has mostly compressed JavaScripts.

CSS Optimization

-0%

Potential reduce by 154 B

  • Original 88.6 kB
  • After minification 88.6 kB
  • After compression 88.4 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. Centralheat.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 123 (62%)

Requests Now

200

After Optimization

77

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 200 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Centralheat. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 119 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.centralheat.co.uk

www.centralheat.co.uk

614 ms

bb91a9918cbfcbbd14569d6b5f4c2d21.min.css

bb91a9918cbfcbbd14569d6b5f4c2d21.min.css

238 ms

styles-l.min.css

styles-l.min.css

320 ms

logo.jpg

logo.jpg

393 ms

12_1_.jpg

12_1_.jpg

338 ms

set-5-if5000dbm-x2-if2052bm-if1210two-ifmarquina-x2-if-handlef_w635_h476_1_.jpg

set-5-if5000dbm-x2-if2052bm-if1210two-ifmarquina-x2-if-handlef_w635_h476_1_.jpg

241 ms

door_1_.jpg

door_1_.jpg

374 ms

25mm-rectangular-1_w635_h476_1_.jpg

25mm-rectangular-1_w635_h476_1_.jpg

336 ms

shower-head.jpg

shower-head.jpg

338 ms

7fb681224f94542786d9c038dd56dd9c.min.js

7fb681224f94542786d9c038dd56dd9c.min.js

335 ms

js

js

35 ms

CROSVEL92_3.jpg

CROSVEL92_3.jpg

448 ms

slider-mpro-collection1-1110x5001_1_.jpg

slider-mpro-collection1-1110x5001_1_.jpg

387 ms

pro-sc03-rt-v4_1_.jpg

pro-sc03-rt-v4_1_.jpg

395 ms

slide_5_update_2019-4_1_.jpg

slide_5_update_2019-4_1_.jpg

397 ms

The-Ultimate-Guarantee-Slider-Updated_2_.jpg

The-Ultimate-Guarantee-Slider-Updated_2_.jpg

447 ms

Goodwood_a_1_.jpg

Goodwood_a_1_.jpg

549 ms

Pontoon_1400_1_.jpg

Pontoon_1400_1_.jpg

532 ms

flexigas_2_1.jpg

flexigas_2_1.jpg

475 ms

heat_1_.png

heat_1_.png

555 ms

crosswater_slide_1_1_.png

crosswater_slide_1_1_.png

803 ms

luxury-showering-banner-21_1_.jpg

luxury-showering-banner-21_1_.jpg

625 ms

slide-jtp.png

slide-jtp.png

634 ms

monarch-water.jpg

monarch-water.jpg

609 ms

crosswater-logo.png

crosswater-logo.png

638 ms

catalano.png

catalano.png

635 ms

flova.png

flova.png

685 ms

just-taps-plus.png

just-taps-plus.png

715 ms

saneux_1.png

saneux_1.png

713 ms

gsi.png

gsi.png

714 ms

hib.jpg

hib.jpg

726 ms

clear_water.jpeg

clear_water.jpeg

761 ms

Alcaplast_1_.png

Alcaplast_1_.png

792 ms

baths.jpg

baths.jpg

792 ms

shower2.jpg

shower2.jpg

803 ms

furniture.jpg

furniture.jpg

815 ms

taps.jpg

taps.jpg

837 ms

basin1.jpg

basin1.jpg

870 ms

Heating.jpg

Heating.jpg

701 ms

door1.jpg

door1.jpg

661 ms

radiator.jpg

radiator.jpg

567 ms

monarch_watersoftner.jpg

monarch_watersoftner.jpg

579 ms

toilet.jpg

toilet.jpg

588 ms

mirror.jpg

mirror.jpg

623 ms

opensans-400.woff

opensans-400.woff

624 ms

opensans-300.woff

opensans-300.woff

612 ms

opensans-600.woff

opensans-600.woff

608 ms

opensans-700.woff

opensans-700.woff

623 ms

Luma-Icons.woff

Luma-Icons.woff

615 ms

fontawesome-webfont.ttf

fontawesome-webfont.ttf

656 ms

jquery.min.js

jquery.min.js

591 ms

common.min.js

common.min.js

628 ms

dataPost.min.js

dataPost.min.js

603 ms

bootstrap.min.js

bootstrap.min.js

542 ms

app.min.js

app.min.js

541 ms

form-key-provider.min.js

form-key-provider.min.js

562 ms

in.php

in.php

104 ms

mage-translation-dictionary.min.js

mage-translation-dictionary.min.js

509 ms

theme.min.js

theme.min.js

524 ms

autocomplete.min.js

autocomplete.min.js

529 ms

typeahead.min.js

typeahead.min.js

531 ms

sw_megamenu.min.js

sw_megamenu.min.js

543 ms

centralheat_ga4_persistentlayer.min.js

centralheat_ga4_persistentlayer.min.js

510 ms

centralheat_ga4_gtm.min.js

centralheat_ga4_gtm.min.js

483 ms

chclicktracking_ga4_gtm.min.js

chclicktracking_ga4_gtm.min.js

511 ms

customer-data.min.js

customer-data.min.js

537 ms

Product_Page_Drivers25.jpg

Product_Page_Drivers25.jpg

620 ms

monarch-midi-water-softener.jpg

monarch-midi-water-softener.jpg

505 ms

monarch-midi-water-softener_2.jpg

monarch-midi-water-softener_2.jpg

482 ms

miniaqua_he_update_600x600.jpg

miniaqua_he_update_600x600.jpg

482 ms

gs6000-he-product-images.jpg

gs6000-he-product-images.jpg

502 ms

gs4000he.png

gs4000he.png

538 ms

pro416fv_3.jpg

pro416fv_3.jpg

541 ms

mpro_brushed_brass_shower_kit_edit.jpg

mpro_brushed_brass_shower_kit_edit.jpg

516 ms

mpro_200mm_shower_head_-_brushed_brass.jpg

mpro_200mm_shower_head_-_brushed_brass.jpg

483 ms

crosswater_mpro_shower_handset_with_wall_outlet_and_hose_-_brushed_brass-1.jpg

crosswater_mpro_shower_handset_with_wall_outlet_and_hose_-_brushed_brass-1.jpg

507 ms

crosswater_mpro_ceiling_shower_arm_198mm_-_matt_black-1.jpg

crosswater_mpro_ceiling_shower_arm_198mm_-_matt_black-1.jpg

540 ms

crossbox_250_brushed_brass_valve_cutout_edit.jpg

crossbox_250_brushed_brass_valve_cutout_edit.jpg

540 ms

kartell-shower-with-fixed-overhead-drencher.jpg

kartell-shower-with-fixed-overhead-drencher.jpg

528 ms

block2.png

block2.png

519 ms

block1.png

block1.png

494 ms

block3.png

block3.png

495 ms

instagramFooterIcon.png

instagramFooterIcon.png

531 ms

facebookFooterIcon.png

facebookFooterIcon.png

518 ms

twitter-logo.png

twitter-logo.png

510 ms

Opayo-logo_1_.png

Opayo-logo_1_.png

500 ms

1.js

1.js

128 ms

slick.min.js

slick.min.js

490 ms

getseal.png

getseal.png

479 ms

categorylabel

categorylabel

1187 ms

categorylabel

categorylabel

819 ms

categorylabel

categorylabel

1314 ms

categorylabel

categorylabel

1427 ms

categorylabel

categorylabel

903 ms

categorylabel

categorylabel

1033 ms

categorylabel

categorylabel

1467 ms

main.min.js

main.min.js

934 ms

bootstrap.min.js

bootstrap.min.js

1009 ms

client.json

client.json

287 ms

client.json

client.json

286 ms

domReady.min.js

domReady.min.js

1061 ms

template.min.js

template.min.js

1055 ms

confirm.min.js

confirm.min.js

1136 ms

widget.min.js

widget.min.js

1103 ms

jquery-mixin.min.js

jquery-mixin.min.js

1088 ms

types.min.js

types.min.js

1138 ms

layout.min.js

layout.min.js

1146 ms

text.min.js

text.min.js

1143 ms

smart-keyboard-handler.min.js

smart-keyboard-handler.min.js

1175 ms

mage.min.js

mage.min.js

1142 ms

underscore.min.js

underscore.min.js

1154 ms

local.min.js

local.min.js

1155 ms

registry.min.js

registry.min.js

1216 ms

knockout.min.js

knockout.min.js

1203 ms

section-config.min.js

section-config.min.js

1199 ms

url.min.js

url.min.js

1171 ms

storage.min.js

storage.min.js

1172 ms

storage-wrapper.min.js

storage-wrapper.min.js

1204 ms

mastercard.png

mastercard.png

1223 ms

footer-icon.png

footer-icon.png

1213 ms

visit

visit

262 ms

205.svg

205.svg

86 ms

visit

visit

65 ms

File-1714468756.png

File-1714468756.png

395 ms

scripts.min.js

scripts.min.js

591 ms

knockout-es5.min.js

knockout-es5.min.js

523 ms

engine.min.js

engine.min.js

517 ms

bootstrap.min.js

bootstrap.min.js

539 ms

observable_array.min.js

observable_array.min.js

570 ms

bound-nodes.min.js

bound-nodes.min.js

562 ms

translate.min.js

translate.min.js

451 ms

modal.min.js

modal.min.js

443 ms

version.min.js

version.min.js

452 ms

wrapper.min.js

wrapper.min.js

454 ms

main.min.js

main.min.js

524 ms

js-translation.json

js-translation.json

510 ms

console-logger.min.js

console-logger.min.js

504 ms

events.min.js

events.min.js

420 ms

js.storage.min.js

js.storage.min.js

292 ms

observable_source.min.js

observable_source.min.js

232 ms

renderer.min.js

renderer.min.js

233 ms

knockout-repeat.min.js

knockout-repeat.min.js

223 ms

knockout-fast-foreach.min.js

knockout-fast-foreach.min.js

224 ms

resizable.min.js

resizable.min.js

230 ms

i18n.min.js

i18n.min.js

238 ms

scope.min.js

scope.min.js

240 ms

range.min.js

range.min.js

254 ms

mage-init.min.js

mage-init.min.js

296 ms

keyboard.min.js

keyboard.min.js

288 ms

optgroup.min.js

optgroup.min.js

301 ms

after-render.min.js

after-render.min.js

328 ms

autoselect.min.js

autoselect.min.js

334 ms

datepicker.min.js

datepicker.min.js

334 ms

outer_click.min.js

outer_click.min.js

368 ms

fadeVisible.min.js

fadeVisible.min.js

379 ms

collapsible.min.js

collapsible.min.js

372 ms

staticChecked.min.js

staticChecked.min.js

415 ms

simple-checked.min.js

simple-checked.min.js

421 ms

bind-html.min.js

bind-html.min.js

409 ms

tooltip.min.js

tooltip.min.js

442 ms

color-picker.min.js

color-picker.min.js

448 ms

modal-popup.html

modal-popup.html

433 ms

modal-slide.html

modal-slide.html

448 ms

modal-custom.html

modal-custom.html

459 ms

key-codes.min.js

key-codes.min.js

462 ms

core.min.js

core.min.js

480 ms

z-index.min.js

z-index.min.js

491 ms

class.min.js

class.min.js

348 ms

jquery.cookie.min.js

jquery.cookie.min.js

360 ms

arrays.min.js

arrays.min.js

375 ms

compare.min.js

compare.min.js

377 ms

misc.min.js

misc.min.js

385 ms

objects.min.js

objects.min.js

393 ms

strings.min.js

strings.min.js

429 ms

template.min.js

template.min.js

432 ms

logger.min.js

logger.min.js

463 ms

entry-factory.min.js

entry-factory.min.js

465 ms

console-output-handler.min.js

console-output-handler.min.js

463 ms

formatter.min.js

formatter.min.js

468 ms

message-pool.min.js

message-pool.min.js

515 ms

levels-pool.min.js

levels-pool.min.js

500 ms

logger-utils.min.js

logger-utils.min.js

539 ms

loader.min.js

loader.min.js

516 ms

async.min.js

async.min.js

492 ms

tooltip.html

tooltip.html

322 ms

spectrum.min.js

spectrum.min.js

359 ms

tinycolor.min.js

tinycolor.min.js

375 ms

data.min.js

data.min.js

315 ms

disable-selection.min.js

disable-selection.min.js

316 ms

focusable.min.js

focusable.min.js

332 ms

form.min.js

form.min.js

336 ms

ie.min.js

ie.min.js

361 ms

keycode.min.js

keycode.min.js

387 ms

labels.min.js

labels.min.js

392 ms

jquery-patch.min.js

jquery-patch.min.js

389 ms

plugin.min.js

plugin.min.js

419 ms

safe-active-element.min.js

safe-active-element.min.js

423 ms

safe-blur.min.js

safe-blur.min.js

438 ms

scroll-parent.min.js

scroll-parent.min.js

474 ms

tabbable.min.js

tabbable.min.js

464 ms

unique-id.min.js

unique-id.min.js

468 ms

cookie-wrapper.min.js

cookie-wrapper.min.js

471 ms

moment.min.js

moment.min.js

448 ms

entry.min.js

entry.min.js

362 ms

dom-observer.min.js

dom-observer.min.js

296 ms

bindings.min.js

bindings.min.js

303 ms

js.cookie.min.js

js.cookie.min.js

91 ms

print.min.css

print.min.css

81 ms

Accessibility Review

centralheat.co.uk accessibility score

87

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

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

centralheat.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

SEO Factors

centralheat.co.uk SEO score

76

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

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 Centralheat.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 Centralheat.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

centralheat.co.uk

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