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stelrad.co.uk screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    41% of other websites

  • 91

    Accessibility

    Visual factors better than
    that of 76% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

stelrad.co.uk

UK's #1 Radiator Manufacturer for Home & Trade | Stelrad

Page Load Speed

6.7 sec in total

First Response

47 ms

Resources Loaded

5.9 sec

Page Rendered

769 ms

stelrad.co.uk screenshot

About Website

Visit stelrad.co.uk now to see the best up-to-date Stelrad content and also check out these interesting facts you probably never knew about stelrad.co.uk

High-quality radiators direct from the UK's #1 radiator manufacturer. Huge range of styles and sizes available directly from the UK's best radiator supplier

Visit stelrad.co.uk

Key Findings

We analyzed Stelrad.co.uk page load time and found that the first response time was 47 ms and then it took 6.7 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

stelrad.co.uk performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value10.9 s

0/100

25%

SI (Speed Index)

Value13.2 s

2/100

10%

TBT (Total Blocking Time)

Value7,060 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.033

100/100

15%

TTI (Time to Interactive)

Value26.0 s

0/100

10%

Network Requests Diagram

stelrad.co.uk

47 ms

www.stelrad.com

2048 ms

css2

78 ms

woocommerce-pdf-frontend-css.css

39 ms

menu-image.css

38 ms

Our browser made a total of 220 requests to load all elements on the main page. We found that 0% of them (1 request) were addressed to the original Stelrad.co.uk, 82% (181 requests) were made to Stelrad.com and 5% (10 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (2 sec) relates to the external source Stelrad.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.9 MB (18%)

Content Size

10.6 MB

After Optimization

8.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Stelrad.co.uk main page is 10.6 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. Only a small number of websites need less resources to load. Images take 7.9 MB which makes up the majority of the site volume.

HTML Optimization

-92%

Potential reduce by 1.6 MB

  • Original 1.7 MB
  • After minification 1.7 MB
  • After compression 143.6 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 1.6 MB or 92% of the original size.

Image Optimization

-4%

Potential reduce by 294.9 kB

  • Original 7.9 MB
  • After minification 7.6 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. Stelrad images are well optimized though.

JavaScript Optimization

-4%

Potential reduce by 37.3 kB

  • Original 886.3 kB
  • After minification 885.2 kB
  • After compression 849.0 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

-1%

Potential reduce by 487 B

  • Original 94.3 kB
  • After minification 94.3 kB
  • After compression 93.8 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. Stelrad.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 79 (38%)

Requests Now

207

After Optimization

128

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 207 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Stelrad. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 63 to 1 for JavaScripts and from 18 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

stelrad.co.uk

stelrad.co.uk

47 ms

www.stelrad.com

www.stelrad.com

2048 ms

css2

css2

78 ms

woocommerce-pdf-frontend-css.css

woocommerce-pdf-frontend-css.css

39 ms

menu-image.css

menu-image.css

38 ms

dashicons.min.css

dashicons.min.css

65 ms

public.css

public.css

72 ms

frontend.min.css

frontend.min.css

73 ms

gateway.css

gateway.css

66 ms

style.min.css

style.min.css

65 ms

webfont.min.css

webfont.min.css

70 ms

wgdr-frontend.css

wgdr-frontend.css

72 ms

styles.css

styles.css

71 ms

styles.css

styles.css

70 ms

jquery.min.js

jquery.min.js

85 ms

jquery-migrate.min.js

jquery-migrate.min.js

99 ms

headerScript.min.js

headerScript.min.js

191 ms

livevalidation_standalone.js

livevalidation_standalone.js

99 ms

public.js

public.js

172 ms

default_validation.js

default_validation.js

102 ms

s-202424.js

s-202424.js

80 ms

gf.placeholders.js

gf.placeholders.js

104 ms

js

js

104 ms

email-decode.min.js

email-decode.min.js

51 ms

wc-blocks.css

wc-blocks.css

51 ms

gf_color_picker_legacy.css

gf_color_picker_legacy.css

52 ms

global_b9e59947.css

global_b9e59947.css

52 ms

footer-styles_b9e59947.css

footer-styles_b9e59947.css

55 ms

front-page_b9e59947.css

front-page_b9e59947.css

368 ms

style.css

style.css

59 ms

dist.js

dist.js

69 ms

sourcebuster.min.js

sourcebuster.min.js

68 ms

order-attribution.min.js

order-attribution.min.js

82 ms

gtm4wp-ecommerce-generic.js

gtm4wp-ecommerce-generic.js

81 ms

gtm4wp-woocommerce.js

gtm4wp-woocommerce.js

80 ms

underscore.min.js

underscore.min.js

92 ms

wp-util.min.js

wp-util.min.js

102 ms

jquery.blockUI.min.js

jquery.blockUI.min.js

92 ms

api-request.min.js

api-request.min.js

106 ms

wp-polyfill-inert.min.js

wp-polyfill-inert.min.js

104 ms

regenerator-runtime.min.js

regenerator-runtime.min.js

113 ms

tp.widget.bootstrap.min.js

tp.widget.bootstrap.min.js

42 ms

e-202424.js

e-202424.js

22 ms

wp-polyfill.min.js

wp-polyfill.min.js

114 ms

hooks.min.js

hooks.min.js

116 ms

i18n.min.js

i18n.min.js

122 ms

url.min.js

url.min.js

123 ms

api-fetch.min.js

api-fetch.min.js

118 ms

frontend.min.js

frontend.min.js

328 ms

button.js

button.js

918 ms

mailchimp-woocommerce-public.min.js

mailchimp-woocommerce-public.min.js

328 ms

global_b9e59947.js

global_b9e59947.js

328 ms

boot.js

boot.js

353 ms

boot.js

boot.js

341 ms

search.min.js

search.min.js

326 ms

dom-ready.min.js

dom-ready.min.js

327 ms

a11y.min.js

a11y.min.js

417 ms

jquery.json.min.js

jquery.json.min.js

414 ms

gravityforms.min.js

gravityforms.min.js

415 ms

utils.min.js

utils.min.js

412 ms

vendor-theme.min.js

vendor-theme.min.js

488 ms

scripts-theme.min.js

scripts-theme.min.js

490 ms

tp.min.js

tp.min.js

237 ms

gtm.js

gtm.js

319 ms

778a01c35ccd7d396a13db6fc.js

778a01c35ccd7d396a13db6fc.js

783 ms

hotjar-1094958.js

hotjar-1094958.js

394 ms

truck_f00fc2af.svg

truck_f00fc2af.svg

277 ms

menu-icon_3df07b79.svg

menu-icon_3df07b79.svg

279 ms

stelrad-logo.png

stelrad-logo.png

669 ms

user-icon.svg

user-icon.svg

663 ms

basket-icon_48d4eedc.svg

basket-icon_48d4eedc.svg

664 ms

tm-nav-bg.png

tm-nav-bg.png

663 ms

Savanna-i-LR-navicon.jpg

Savanna-i-LR-navicon.jpg

670 ms

classic-compact-extended-warranty-category-2.png

classic-compact-extended-warranty-category-2.png

793 ms

Classic-Column-turquoise-blue-LR-v2.jpg

Classic-Column-turquoise-blue-LR-v2.jpg

788 ms

Electric-Radiators-Column-Hero.png

Electric-Radiators-Column-Hero.png

950 ms

Vita-Deco-LR-Brand-Sticker-v2.jpg

Vita-Deco-LR-Brand-Sticker-v2.jpg

789 ms

Electric-Radiators-Designer-Hero.png

Electric-Radiators-Designer-Hero.png

793 ms

Concord-Vertical-Chrome-LR-v2.jpg

Concord-Vertical-Chrome-LR-v2.jpg

788 ms

Electric-Radiators-Vertical-Hero.png

Electric-Radiators-Vertical-Hero.png

949 ms

img-lst-radiators.png

img-lst-radiators.png

869 ms

Heavy-Duty-Deco-HR.jpg

Heavy-Duty-Deco-HR.jpg

1221 ms

img-towel-radiator.png

img-towel-radiator.png

870 ms

Electric-Radiators-Towel-Hero.png

Electric-Radiators-Towel-Hero.png

870 ms

BEDROOM-1.jpg

BEDROOM-1.jpg

950 ms

LIVING-ROOM-1.jpg

LIVING-ROOM-1.jpg

1266 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Ew-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Ew-.ttf

653 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Ew-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtZ6Ew-.ttf

653 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Ew-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCs16Ew-.ttf

651 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr6Ew-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr6Ew-.ttf

652 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Uw-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Uw-.ttf

652 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu170w-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu170w-.ttf

652 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM70w-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCuM70w-.ttf

768 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr70w-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvr70w-.ttf

767 ms

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvC70w-.ttf

JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCvC70w-.ttf

767 ms

HALLWAY-1.jpg

HALLWAY-1.jpg

998 ms

CONSERVATORY-1.jpg

CONSERVATORY-1.jpg

1062 ms

UTILITY-ROOM-1.jpg

UTILITY-ROOM-1.jpg

1007 ms

Vita-Concord-Slimline-Concept-HR.jpg

Vita-Concord-Slimline-Concept-HR.jpg

1005 ms

JTUFjIg1_i6t8kCHKm459Wx7xQYXK0vOoz6jq6R9aX8.ttf

JTUFjIg1_i6t8kCHKm459Wx7xQYXK0vOoz6jq6R9aX8.ttf

691 ms

LAUNDRY-ROOM-1.jpg

LAUNDRY-ROOM-1.jpg

1036 ms

CLOAKROOM-1.jpg

CLOAKROOM-1.jpg

1083 ms

BATHROOM-1.jpg

BATHROOM-1.jpg

1101 ms

SCHOOL-1.jpg

SCHOOL-1.jpg

1160 ms

Vita-Ultra-Blue-with-Bar-LR-angled-v2.jpg

Vita-Ultra-Blue-with-Bar-LR-angled-v2.jpg

1113 ms

Classic-Compact-1.jpg

Classic-Compact-1.jpg

1142 ms

Vita-Compact-K3-1.jpg

Vita-Compact-K3-1.jpg

1111 ms

Compact-Xtra-1.jpg

Compact-Xtra-1.jpg

1153 ms

Vita-Compact-Vertical-1.jpg

Vita-Compact-Vertical-1.jpg

1062 ms

Concord-Lo-line-1.jpg

Concord-Lo-line-1.jpg

1134 ms

Vita-Concord-white-1.jpg

Vita-Concord-white-1.jpg

1122 ms

Defaul-category-banner-1.jpg

Defaul-category-banner-1.jpg

1205 ms

Concord-Vertical-White-1.jpg

Concord-Vertical-White-1.jpg

1161 ms

modules.349061f2d87d84c4c336.js

modules.349061f2d87d84c4c336.js

458 ms

e2a86f1d9666fcc365c3d3420.js

e2a86f1d9666fcc365c3d3420.js

271 ms

Concord-Slimline-Coloured-1.jpg

Concord-Slimline-Coloured-1.jpg

819 ms

Vita-Column-Concept-1.jpg

Vita-Column-Concept-1.jpg

820 ms

Caliente-Rail-2.jpg

Caliente-Rail-2.jpg

857 ms

Concord-Rail-1.jpg

Concord-Rail-1.jpg

881 ms

Concord-Side-1.jpg

Concord-Side-1.jpg

960 ms

HOME-Ultra-HR.jpg

HOME-Ultra-HR.jpg

991 ms

Vertical-Ultra-2.jpg

Vertical-Ultra-2.jpg

832 ms

Cast-Iron-Column-1.jpg

Cast-Iron-Column-1.jpg

876 ms

Swing-1.jpg

Swing-1.jpg

900 ms

Vita-Plan-Bedroom-HR-Brand-Sticker-3.jpg

Vita-Plan-Bedroom-HR-Brand-Sticker-3.jpg

876 ms

Vita-Plan-Concept-HR-Brand-Sticker-3.jpg

Vita-Plan-Concept-HR-Brand-Sticker-3.jpg

986 ms

edicon.ttf

edicon.ttf

880 ms

Home-Plan-Vertical-1-1.jpg

Home-Plan-Vertical-1-1.jpg

943 ms

Vita-Plan-Vertical-HR-Brand-Sticker-2.jpg

Vita-Plan-Vertical-HR-Brand-Sticker-2.jpg

945 ms

Caliente-Horizontal-LR-1.jpg

Caliente-Horizontal-LR-1.jpg

865 ms

HOME-Column-Horizontal-HR-2-1.jpg

HOME-Column-Horizontal-HR-2-1.jpg

974 ms

tag.js

tag.js

131 ms

Vita-Column-Vertical-1.jpg

Vita-Column-Vertical-1.jpg

866 ms

Column-Vertical-Concept-2-1.jpg

Column-Vertical-Concept-2-1.jpg

816 ms

Vita-Deco-HR-Brand-Sticker-2.jpg

Vita-Deco-HR-Brand-Sticker-2.jpg

830 ms

Vita-Deco-Concept-HR-Brand-Sticker-2.jpg

Vita-Deco-Concept-HR-Brand-Sticker-2.jpg

800 ms

LST-Standard-Deco-HR-2.jpg

LST-Standard-Deco-HR-2.jpg

823 ms

Concord-Chrome-Vertical-1.jpg

Concord-Chrome-Vertical-1.jpg

872 ms

.jsonp

.jsonp

19 ms

76 ms

ui-framework.js

ui-framework.js

74 ms

surveylogicinstance.min.js

surveylogicinstance.min.js

76 ms

zones

zones

1684 ms

Classic-Mini-TR-1.jpg

Classic-Mini-TR-1.jpg

813 ms

Classic-Towel-1.jpg

Classic-Towel-1.jpg

885 ms

Stainless-Steel-Towel-1.jpg

Stainless-Steel-Towel-1.jpg

827 ms

Concord-Side-Chrome-1.jpg

Concord-Side-Chrome-1.jpg

871 ms

Como-1.jpg

Como-1.jpg

818 ms

HOME-Lecco-HR-1.jpg

HOME-Lecco-HR-1.jpg

876 ms

storage.secure.min.js

storage.secure.min.js

6 ms

storage.secure.min.html

storage.secure.min.html

18 ms

desktopEmbedded.js

desktopEmbedded.js

18 ms

STR-HR-1.jpg

STR-HR-1.jpg

841 ms

35620532

35620532

527 ms

LST-Standard-1.jpg

LST-Standard-1.jpg

841 ms

Vita-Silhouette-HR-Brand-Sticker-2.jpg

Vita-Silhouette-HR-Brand-Sticker-2.jpg

869 ms

Heavy-Duty-Planar-1.jpg

Heavy-Duty-Planar-1.jpg

912 ms

warranty-banner.png

warranty-banner.png

859 ms

warranty-banner-1024x320.png

warranty-banner-1024x320.png

884 ms

green-compact-banner-bg.png

green-compact-banner-bg.png

887 ms

green-compact-banner-bg-1024x320.png

green-compact-banner-bg-1024x320.png

1027 ms

Banner-1.png

Banner-1.png

958 ms

Banner-1-1024x320.png

Banner-1-1024x320.png

902 ms

Stelrad-Home-banner-electric-opt1-scaled.webp

Stelrad-Home-banner-electric-opt1-scaled.webp

753 ms

Stelrad-Home-banner-electric-opt1-1024x389.webp

Stelrad-Home-banner-electric-opt1-1024x389.webp

742 ms

home-banner-promo-march-3.jpg

home-banner-promo-march-3.jpg

805 ms

home-banner-promo-march-3-1024x320.jpg

home-banner-promo-march-3-1024x320.jpg

776 ms

classic-promo-1.jpg

classic-promo-1.jpg

802 ms

classic-promo-1-1024x320.jpg

classic-promo-1-1024x320.jpg

849 ms

home-banner-Professional-1920x600-optimised.jpg

home-banner-Professional-1920x600-optimised.jpg

881 ms

home-banner-Professional-1920x600-optimised-1024x320.jpg

home-banner-Professional-1920x600-optimised-1024x320.jpg

873 ms

free-delivery.svg

free-delivery.svg

764 ms

warranty.svg

warranty.svg

756 ms

wide-range-of-colors.svg

wide-range-of-colors.svg

702 ms

48h.svg

48h.svg

813 ms

stelrad-standard-radiators-home-2-1-380x380.png

stelrad-standard-radiators-home-2-1-380x380.png

834 ms

overlay.js

overlay.js

5 ms

UISuite.js

UISuite.js

5 ms

19

19

8 ms

35620532

35620532

79 ms

1052654032

1052654032

50 ms

stelrad-column-radiators-home-1-380x380.png

stelrad-column-radiators-home-1-380x380.png

778 ms

stelrad-designer-radiators-home-1-380x380.png

stelrad-designer-radiators-home-1-380x380.png

770 ms

stelrad-vertical-radiators-home-1-380x380.png

stelrad-vertical-radiators-home-1-380x380.png

1010 ms

live-chat.png

live-chat.png

4 ms

stelrad-towel-rails-home-1-380x380.png

stelrad-towel-rails-home-1-380x380.png

772 ms

Coloured-Radiators-1-380x380.png

Coloured-Radiators-1-380x380.png

805 ms

35620532

35620532

82 ms

Electric-Radiators-Carousel-380x380.png

Electric-Radiators-Carousel-380x380.png

888 ms

stelrad-home-page-image-4-1.png

stelrad-home-page-image-4-1.png

774 ms

Hot-Choices-1.png

Hot-Choices-1.png

771 ms

Heat-Loss-Calculator-1.png

Heat-Loss-Calculator-1.png

758 ms

the-sun.jpg

the-sun.jpg

772 ms

the-telegraph-logo.webp

the-telegraph-logo.webp

710 ms

homes-and-gardens-logo.png

homes-and-gardens-logo.png

813 ms

goodhomes.jpg

goodhomes.jpg

795 ms

express.jpg

express.jpg

762 ms

real-homes.jpg

real-homes.jpg

781 ms

hello.png

hello.png

755 ms

housebeautiful.png

housebeautiful.png

1005 ms

Ideal-Home.webp

Ideal-Home.webp

788 ms

404-4049651_the-spruce-spruce-eats-logo.webp

404-4049651_the-spruce-spruce-eats-logo.webp

662 ms

apartmenttherapy-750.jpg

apartmenttherapy-750.jpg

786 ms

bustle.png

bustle.png

814 ms

Newsweek-Logo.png

Newsweek-Logo.png

714 ms

Homebuilding-Logo.webp

Homebuilding-Logo.webp

680 ms

daily-mail.jpg

daily-mail.jpg

771 ms

Zoopla.png

Zoopla.png

754 ms

INews-Logo.png

INews-Logo.png

1083 ms

stelrad-passionate-in-style-1.png

stelrad-passionate-in-style-1.png

761 ms

stelrad-loyalty-club-1.png

stelrad-loyalty-club-1.png

700 ms

stockist-img.png

stockist-img.png

771 ms

Stelrad_White-Mono_RGB.png

Stelrad_White-Mono_RGB.png

770 ms

ideal-logo.svg

ideal-logo.svg

785 ms

Blue-Bell-Wood-Logo.svg

Blue-Bell-Wood-Logo.svg

693 ms

CYP-Grey.png

CYP-Grey.png

794 ms

close_9508ab06.svg

close_9508ab06.svg

805 ms

radiator-size-calculator-bg1.png

radiator-size-calculator-bg1.png

786 ms

radiator-size-calculator-title-bg.png

radiator-size-calculator-title-bg.png

743 ms

june-sale-2-scaled.webp

june-sale-2-scaled.webp

678 ms

Accessibility Review

stelrad.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

button, link, and menuitem elements do not have accessible names.

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

Form elements do not have associated labels

Best Practices

stelrad.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

stelrad.co.uk SEO score

99

Search Engine Optimization Advices

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 Stelrad.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 Stelrad.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

stelrad.co.uk

Open Graph data is detected on the main page of Stelrad. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: