Tools & Wizards About Us
insulation4less.co.uk screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 83

    Accessibility

    Visual factors better than
    that of 54% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 93

    SEO

    Google-friendlier than
    83% of websites

insulation4less.co.uk

Shop Insulation Online. Unbeatable Prices For Trade & DIY

Page Load Speed

2.9 sec in total

First Response

718 ms

Resources Loaded

1.9 sec

Page Rendered

331 ms

insulation4less.co.uk screenshot

About Website

Welcome to insulation4less.co.uk homepage info - get ready to check Insulation 4less best content for United Kingdom right away, or after learning these important things about insulation4less.co.uk

UK's top rated online supplier of insulation for Floor, Roof, Wall & Cavity Walls for Trade & DIY: Loft Insulation, insulation boards - Lowest UK Prices. Hassle Free Returns.

Visit insulation4less.co.uk

Key Findings

We analyzed Insulation4less.co.uk page load time and found that the first response time was 718 ms and then it took 2.2 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 45% of websites can load faster.

Performance Metrics

insulation4less.co.uk performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.6 s

62/100

10%

LCP (Largest Contentful Paint)

Value10.7 s

0/100

25%

SI (Speed Index)

Value9.9 s

10/100

10%

TBT (Total Blocking Time)

Value2,220 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.273

45/100

15%

TTI (Time to Interactive)

Value21.9 s

1/100

10%

Network Requests Diagram

insulation4less.co.uk

718 ms

gtm.js

79 ms

jquery-3.6.0.min.js

34 ms

theme.js

59 ms

lazysizes.js

52 ms

Our browser made a total of 62 requests to load all elements on the main page. We found that 77% of them (48 requests) were addressed to the original Insulation4less.co.uk, 16% (10 requests) were made to Cdn.shopify.com and 2% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (718 ms) belongs to the original domain Insulation4less.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 459.2 kB (14%)

Content Size

3.2 MB

After Optimization

2.7 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Insulation4less.co.uk main page is 3.2 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. Only a small number of websites need less resources to load. Images take 2.2 MB which makes up the majority of the site volume.

HTML Optimization

-84%

Potential reduce by 308.2 kB

  • Original 367.6 kB
  • After minification 324.4 kB
  • After compression 59.4 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 43.3 kB, which is 12% 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 308.2 kB or 84% of the original size.

Image Optimization

-7%

Potential reduce by 149.7 kB

  • Original 2.2 MB
  • After minification 2.0 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. Insulation 4less images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 591 B

  • Original 595.1 kB
  • After minification 595.1 kB
  • After compression 594.5 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

-1%

Potential reduce by 710 B

  • Original 57.8 kB
  • After minification 57.8 kB
  • After compression 57.1 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. Insulation4less.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 23 (38%)

Requests Now

61

After Optimization

38

  • Images
  • JavaScript
  • CSS

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Insulation 4less. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 21 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

insulation4less.co.uk

insulation4less.co.uk

718 ms

gtm.js

gtm.js

79 ms

jquery-3.6.0.min.js

jquery-3.6.0.min.js

34 ms

theme.js

theme.js

59 ms

lazysizes.js

lazysizes.js

52 ms

preloads.js

preloads.js

54 ms

load_feature-9f951eb7d8d53973c719de211f807d63af81c644e5b9a6ae72661ac408d472f6.js

load_feature-9f951eb7d8d53973c719de211f807d63af81c644e5b9a6ae72661ac408d472f6.js

38 ms

storefront-80e528be853eac23af2454534897ca9536b1d3d04aa043b042f34879a3c111c8.js

storefront-80e528be853eac23af2454534897ca9536b1d3d04aa043b042f34879a3c111c8.js

46 ms

features-1c0b396bd4d054b94abae1eb6a1bd6ba47beb35525c57a217c77a862ff06d83f.js

features-1c0b396bd4d054b94abae1eb6a1bd6ba47beb35525c57a217c77a862ff06d83f.js

41 ms

vue-implementation.js

vue-implementation.js

50 ms

boost-pfs-instant-search.css

boost-pfs-instant-search.css

66 ms

boost-pfs-custom.css

boost-pfs-custom.css

68 ms

omgrfg_style.css

omgrfg_style.css

41 ms

omg-app-quote.js

omg-app-quote.js

170 ms

form-builder-script.js

form-builder-script.js

143 ms

shopify-perf-kit-unstable.min.js

shopify-perf-kit-unstable.min.js

59 ms

boost-pfs-core-instant-search.js

boost-pfs-core-instant-search.js

132 ms

boost-pfs-instant-search.js

boost-pfs-instant-search.js

132 ms

boost-pfs-init.js

boost-pfs-init.js

154 ms

vendor-delivery-info.js

vendor-delivery-info.js

133 ms

clerk.js

clerk.js

597 ms

trekkie.storefront.a1ad2ab43a5932ff96084a0e2e69f51ba73ddbec.min.js

trekkie.storefront.a1ad2ab43a5932ff96084a0e2e69f51ba73ddbec.min.js

96 ms

shop_events_listener-61fa9e0a912c675e178777d2b27f6cbd482f8912a6b0aa31fa3515985a8cd626.js

shop_events_listener-61fa9e0a912c675e178777d2b27f6cbd482f8912a6b0aa31fa3515985a8cd626.js

94 ms

shopify-boomerang-1.0.0.min.js

shopify-boomerang-1.0.0.min.js

92 ms

sddefault.jpg

sddefault.jpg

96 ms

i4l-500x150-r3-trans_300x300.png

i4l-500x150-r3-trans_300x300.png

82 ms

GA4000_4a8cd2c4-8ff6-4de2-ad89-fe66f6847378_medium.png

GA4000_4a8cd2c4-8ff6-4de2-ad89-fe66f6847378_medium.png

80 ms

GA4000_623ff9f2-6021-44b9-8469-124d7333d1bd_medium.png

GA4000_623ff9f2-6021-44b9-8469-124d7333d1bd_medium.png

81 ms

foil-tape-rolls_medium.jpg

foil-tape-rolls_medium.jpg

81 ms

GA4000_1e52c5ff-41fc-47ad-8ae6-686096ce608b_medium.png

GA4000_1e52c5ff-41fc-47ad-8ae6-686096ce608b_medium.png

81 ms

rockwool-flexi-rwa_9_medium.jpg

rockwool-flexi-rwa_9_medium.jpg

79 ms

TB4000_3a9ceb87-5174-47f0-b20c-f8f70b3b4fe5_medium.png

TB4000_3a9ceb87-5174-47f0-b20c-f8f70b3b4fe5_medium.png

106 ms

PL4000_5edc1f08-3d0d-47b7-bab6-c7e22a125e7b_medium.png

PL4000_5edc1f08-3d0d-47b7-bab6-c7e22a125e7b_medium.png

102 ms

GA4000_49ab2822-302f-45a8-bc3f-5dced690b73c_medium.png

GA4000_49ab2822-302f-45a8-bc3f-5dced690b73c_medium.png

104 ms

Earthwool_Loft_Roll_44_medium.jpg

Earthwool_Loft_Roll_44_medium.jpg

102 ms

Untitleddesign_16_medium.png

Untitleddesign_16_medium.png

102 ms

black_coarse_thread_drywall_and_bit_49105108-0f85-4c68-83f9-f2845793fbeb_medium.jpg

black_coarse_thread_drywall_and_bit_49105108-0f85-4c68-83f9-f2845793fbeb_medium.jpg

103 ms

ThistleMultiFinishcopy_6d5bd58e-e3a1-4aad-b678-c4988bf0b466_medium.jpg

ThistleMultiFinishcopy_6d5bd58e-e3a1-4aad-b678-c4988bf0b466_medium.jpg

122 ms

trade-acc-icon-36x36.png

trade-acc-icon-36x36.png

78 ms

review-star-rating-Insulation4less-110-x-20.png

review-star-rating-Insulation4less-110-x-20.png

78 ms

insulation-guide-i4l.png

insulation-guide-i4l.png

102 ms

b4l-150x60-trans.png

b4l-150x60-trans.png

101 ms

i4l-240x60-trans.png

i4l-240x60-trans.png

118 ms

t4l-150x60-trans.png

t4l-150x60-trans.png

120 ms

bso-80x60-trans.png

bso-80x60-trans.png

118 ms

i4l-500x150-r3-trans_360x.png

i4l-500x150-r3-trans_360x.png

61 ms

theme.css

theme.css

29 ms

I4L_HP_Celotex_Logo_Update_I4L_Homepage_1080x.png

I4L_HP_Celotex_Logo_Update_I4L_Homepage_1080x.png

64 ms

Test_4_1080x.png

Test_4_1080x.png

51 ms

Test_1_1080x.png

Test_1_1080x.png

68 ms

2nd_Isover_Hp_Banner_1080x.png

2nd_Isover_Hp_Banner_1080x.png

88 ms

Test_3_1080x.png

Test_3_1080x.png

46 ms

Test_7_1080x.png

Test_7_1080x.png

66 ms

eeb41996c35c95fb581b9f8851be69f3.jpg

eeb41996c35c95fb581b9f8851be69f3.jpg

276 ms

GA4000_4a8cd2c4-8ff6-4de2-ad89-fe66f6847378_360x.png

GA4000_4a8cd2c4-8ff6-4de2-ad89-fe66f6847378_360x.png

99 ms

87475d6d74b1948854f93b0a7c6dcf5e_3c72b528-3eda-4aa0-b6c7-eef639934658_360x.jpg

87475d6d74b1948854f93b0a7c6dcf5e_3c72b528-3eda-4aa0-b6c7-eef639934658_360x.jpg

110 ms

5b93d88a027099ecdbadb1b4097dec74.jpg

5b93d88a027099ecdbadb1b4097dec74.jpg

298 ms

load

load

401 ms

a571ace09a042ad5bf3ae9da97ba0917_eb786b7c-2975-4625-a62c-a2cb9fa8f262.png

a571ace09a042ad5bf3ae9da97ba0917_eb786b7c-2975-4625-a62c-a2cb9fa8f262.png

64 ms

6bf093449c9a00f4ea23dce19be933b6.jpg

6bf093449c9a00f4ea23dce19be933b6.jpg

105 ms

rockwool-flexi-rwa_9_360x.jpg

rockwool-flexi-rwa_9_360x.jpg

42 ms

thermafloor-tf70_360x.jpg

thermafloor-tf70_360x.jpg

55 ms

Accessibility Review

insulation4less.co.uk accessibility score

83

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

[aria-*] attributes do not match their roles

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

Best Practices

insulation4less.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

insulation4less.co.uk SEO score

93

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 Insulation4less.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 Insulation4less.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

insulation4less.co.uk

Open Graph data is detected on the main page of Insulation 4less. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: