Tools & Wizards About Us
insulationsuperstore.co.uk screenshot

Report Summary

  • 16

    Performance

    Renders faster than
    30% of other websites

  • 70

    Accessibility

    Visual factors better than
    that of 35% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

insulationsuperstore.co.uk

Loft Insulation | Roof Insulation | Insulation Superstore®

Page Load Speed

23.5 sec in total

First Response

160 ms

Resources Loaded

22.6 sec

Page Rendered

786 ms

insulationsuperstore.co.uk screenshot

About Website

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

Loft insulation from Insulation Superstore - loft roll, multifoil and insulation boards, providing insulation for your roof, ceiling, wall or floor. All at low trade prices.

Visit insulationsuperstore.co.uk

Key Findings

We analyzed Insulationsuperstore.co.uk page load time and found that the first response time was 160 ms and then it took 23.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 95% of websites can load faster.

Performance Metrics

insulationsuperstore.co.uk performance score

16

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.8 s

26/100

10%

LCP (Largest Contentful Paint)

Value8.7 s

1/100

25%

SI (Speed Index)

Value11.4 s

5/100

10%

TBT (Total Blocking Time)

Value5,890 ms

0/100

30%

CLS (Cumulative Layout Shift)

Value0.126

83/100

15%

TTI (Time to Interactive)

Value26.5 s

0/100

10%

Network Requests Diagram

insulationsuperstore.co.uk

160 ms

insulationsuperstore.co.uk

318 ms

www.insulationsuperstore.co.uk

736 ms

jquery.min.js

29 ms

js.cookie.min.js

47 ms

Our browser made a total of 78 requests to load all elements on the main page. We found that 10% of them (8 requests) were addressed to the original Insulationsuperstore.co.uk, 58% (45 requests) were made to Static.insulationsuperstore.co.uk and 13% (10 requests) were made to Staticw2.yotpo.com. The less responsive or slowest element that took the longest time to load (11.1 sec) relates to the external source Static.insulationsuperstore.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 1.3 MB (40%)

Content Size

3.2 MB

After Optimization

1.9 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Insulationsuperstore.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. 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 1.6 MB which makes up the majority of the site volume.

HTML Optimization

-91%

Potential reduce by 1.3 MB

  • Original 1.4 MB
  • After minification 1.3 MB
  • After compression 117.8 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 1.3 MB or 91% of the original size.

Image Optimization

-2%

Potential reduce by 30.1 kB

  • Original 1.6 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. Insulation Superstore images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.1 kB

  • Original 166.9 kB
  • After minification 166.9 kB
  • After compression 165.8 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 159 B

  • Original 39.9 kB
  • After minification 39.9 kB
  • After compression 39.8 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. Insulationsuperstore.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 31 (42%)

Requests Now

73

After Optimization

42

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 73 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Insulation Superstore. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 24 to 1 for JavaScripts and from 9 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

insulationsuperstore.co.uk

insulationsuperstore.co.uk

160 ms

insulationsuperstore.co.uk

insulationsuperstore.co.uk

318 ms

www.insulationsuperstore.co.uk

www.insulationsuperstore.co.uk

736 ms

jquery.min.js

jquery.min.js

29 ms

js.cookie.min.js

js.cookie.min.js

47 ms

8c5476708f.js

8c5476708f.js

54 ms

becc11c505.js

becc11c505.js

119 ms

gtm.js

gtm.js

100 ms

j.php

j.php

98 ms

widget.js

widget.js

73 ms

main.min.css

main.min.css

33 ms

jquery.fancybox.min.css

jquery.fancybox.min.css

24 ms

widget.css

widget.css

155 ms

O_PfFXvL3K9RzDIUsR6cPg.js

O_PfFXvL3K9RzDIUsR6cPg.js

39 ms

apple-pay-sdk.js

apple-pay-sdk.js

106 ms

responsive.min.js

responsive.min.js

10 ms

device.min.js

device.min.js

10 ms

banner.min.js

banner.min.js

24 ms

header.min.js

header.min.js

21 ms

common.min.js

common.min.js

25 ms

jquery.fancybox.min.js

jquery.fancybox.min.js

24 ms

observation-tracker.min.js

observation-tracker.min.js

16 ms

popper.min.js

popper.min.js

17 ms

tooltip.min.js

tooltip.min.js

27 ms

bootstrap.min.js

bootstrap.min.js

25 ms

ajax-basket.min.js

ajax-basket.min.js

27 ms

klevu-scripts.min.js

klevu-scripts.min.js

32 ms

footer.min.js

footer.min.js

31 ms

klaviyo.js

klaviyo.js

31 ms

klevu-voicesearch.js

klevu-voicesearch.js

44 ms

open_sans.css

open_sans.css

25 ms

super-rewards-icon_46w.png

super-rewards-icon_46w.png

102 ms

Trustpilot_ratings_4halfstar-RGB.svg

Trustpilot_ratings_4halfstar-RGB.svg

107 ms

good-builds-arrow-small.png

good-builds-arrow-small.png

70 ms

superrewardshpage1140x360780_desktop.png

superrewardshpage1140x360780_desktop.png

6527 ms

isshpagedtop1140x360787_desktop.png

isshpagedtop1140x360787_desktop.png

9546 ms

psshpagedtop1140x360790_desktop.png

psshpagedtop1140x360790_desktop.png

8008 ms

isshpagedtop1140x360779_desktop.png

isshpagedtop1140x360779_desktop.png

11086 ms

insulationboard476_desktop.png

insulationboard476_desktop.png

71 ms

plasterboard480_desktop.png

plasterboard480_desktop.png

70 ms

acousticinsulation479_desktop.png

acousticinsulation479_desktop.png

4390 ms

multifoilinsulation482_desktop.png

multifoilinsulation482_desktop.png

4391 ms

breathablemembrane477_desktop.png

breathablemembrane477_desktop.png

4391 ms

plasterrender481_desktop.png

plasterrender481_desktop.png

4880 ms

insulationroll478_desktop.png

insulationroll478_desktop.png

7028 ms

insulationbyproject746_desktop.jpg

insulationbyproject746_desktop.jpg

4882 ms

leftsplatdesktop636_desktop.jpg

leftsplatdesktop636_desktop.jpg

5961 ms

middlesplatdesktop637_desktop.jpg

middlesplatdesktop637_desktop.jpg

7081 ms

rightsplatdesktop1038desktop676_desktop.jpg

rightsplatdesktop1038desktop676_desktop.jpg

7640 ms

dust-on-pink.jpg

dust-on-pink.jpg

7029 ms

super-footer-people.jpg

super-footer-people.jpg

7032 ms

super-rewards-logo.png

super-rewards-logo.png

7035 ms

PayPal_credit_blue_logo.png

PayPal_credit_blue_logo.png

7038 ms

app.v1.0.368.js

app.v1.0.368.js

82 ms

good_build_bg_v1.jpg

good_build_bg_v1.jpg

6964 ms

good-builds-dude.jpg

good-builds-dude.jpg

6966 ms

newsletter_bg_v1.jpg

newsletter_bg_v1.jpg

6968 ms

exVAT

exVAT

239 ms

i

i

107 ms

GenericGallery

GenericGallery

295 ms

bootstrap.min.css

bootstrap.min.css

54 ms

font-awesome.min.css

font-awesome.min.css

82 ms

css

css

100 ms

loading.svg

loading.svg

91 ms

cmo-big

cmo-big

682 ms

ajax-update-recently-viewed-products

ajax-update-recently-viewed-products

681 ms

fontawesome-webfont.woff

fontawesome-webfont.woff

18 ms

inter.css

inter.css

468 ms

open_sans_work_sans_400_600_700_display_swap.css

open_sans_work_sans_400_600_700_display_swap.css

603 ms

i

i

305 ms

generic_lightbox_container

generic_lightbox_container

607 ms

spacer.gif

spacer.gif

272 ms

yotpo-widget-font.svg

yotpo-widget-font.svg

401 ms

yotpo-widget-font.woff

yotpo-widget-font.woff

293 ms

superrewardshpage1140x360780_desktop.png

superrewardshpage1140x360780_desktop.png

4783 ms

isshpagedtop1140x360787_desktop.png

isshpagedtop1140x360787_desktop.png

7733 ms

psshpagedtop1140x360790_desktop.png

psshpagedtop1140x360790_desktop.png

8578 ms

isshpagedtop1140x360779_desktop.png

isshpagedtop1140x360779_desktop.png

10057 ms

Accessibility Review

insulationsuperstore.co.uk accessibility score

70

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

[role]s do not have all required [aria-*] attributes

High

ARIA IDs are not unique

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

Buttons do not have an accessible name

Low

No form fields have multiple labels

High

Links do not have a discernible name

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.

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

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>).

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

insulationsuperstore.co.uk best practices score

67

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

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

insulationsuperstore.co.uk SEO score

82

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 Insulationsuperstore.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 Insulationsuperstore.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

insulationsuperstore.co.uk

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