Tools & Wizards About Us
londonbuildingsupplies.co.uk screenshot

Report Summary

  • 10

    Performance

    Renders faster than
    23% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 49% of websites

  • 75

    Best Practices

    More advanced features
    available than in
    35% of websites

  • 91

    SEO

    Google-friendlier than
    70% of websites

londonbuildingsupplies.co.uk

London based Building Insulation Materials

Page Load Speed

5.9 sec in total

First Response

821 ms

Resources Loaded

4.8 sec

Page Rendered

319 ms

londonbuildingsupplies.co.uk screenshot

About Website

Click here to check amazing London Building Supplies content. Otherwise, check out these important facts you probably never knew about londonbuildingsupplies.co.uk

LBS is UK based company that offers a large collection of building insulation materials from different brands. Get low prices on all Brands.

Visit londonbuildingsupplies.co.uk

Key Findings

We analyzed Londonbuildingsupplies.co.uk page load time and found that the first response time was 821 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

londonbuildingsupplies.co.uk performance score

10

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.1 s

46/100

10%

LCP (Largest Contentful Paint)

Value19.0 s

0/100

25%

SI (Speed Index)

Value13.6 s

2/100

10%

TBT (Total Blocking Time)

Value3,610 ms

1/100

30%

CLS (Cumulative Layout Shift)

Value0.351

31/100

15%

TTI (Time to Interactive)

Value24.9 s

0/100

10%

Network Requests Diagram

londonbuildingsupplies.co.uk

821 ms

londonbuildingsupplies.co.uk

1101 ms

css

86 ms

theme-d116bfe0-b765-013c-0e59-5e0d088f8eef.css

126 ms

nextgen-d116bfe0-b765-013c-0e59-5e0d088f8eef.css

95 ms

Our browser made a total of 97 requests to load all elements on the main page. We found that 7% of them (7 requests) were addressed to the original Londonbuildingsupplies.co.uk, 43% (42 requests) were made to Cdn11.bigcommerce.com and 12% (12 requests) were made to Fonts.gstatic.com. The less responsive or slowest element that took the longest time to load (1.7 sec) relates to the external source Cdn11.bigcommerce.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 635.9 kB (16%)

Content Size

3.9 MB

After Optimization

3.3 MB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Londonbuildingsupplies.co.uk main page is 3.9 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. 80% 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 3.0 MB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 577.7 kB

  • Original 666.3 kB
  • After minification 568.4 kB
  • After compression 88.6 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. This page needs HTML code to be minified as it can gain 97.9 kB, which is 15% 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 577.7 kB or 87% of the original size.

Image Optimization

-2%

Potential reduce by 57.0 kB

  • Original 3.0 MB
  • After minification 2.9 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. London Building Supplies images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 1.2 kB

  • Original 192.9 kB
  • After minification 192.9 kB
  • After compression 191.7 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 0 B

  • Original 29.6 kB
  • After minification 29.6 kB
  • After compression 29.6 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. Londonbuildingsupplies.co.uk has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 44 (56%)

Requests Now

78

After Optimization

34

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 78 CSS, Javascripts, AJAX and image requests in order to completely render the main page of London Building Supplies. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 26 to 1 for JavaScripts and from 10 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

londonbuildingsupplies.co.uk

londonbuildingsupplies.co.uk

821 ms

londonbuildingsupplies.co.uk

londonbuildingsupplies.co.uk

1101 ms

css

css

86 ms

theme-d116bfe0-b765-013c-0e59-5e0d088f8eef.css

theme-d116bfe0-b765-013c-0e59-5e0d088f8eef.css

126 ms

nextgen-d116bfe0-b765-013c-0e59-5e0d088f8eef.css

nextgen-d116bfe0-b765-013c-0e59-5e0d088f8eef.css

95 ms

cards-simple-d116bfe0-b765-013c-0e59-5e0d088f8eef.css

cards-simple-d116bfe0-b765-013c-0e59-5e0d088f8eef.css

89 ms

cards-quicksearch-d116bfe0-b765-013c-0e59-5e0d088f8eef.css

cards-quicksearch-d116bfe0-b765-013c-0e59-5e0d088f8eef.css

144 ms

theme-editor-responsive-d116bfe0-b765-013c-0e59-5e0d088f8eef.css

theme-editor-responsive-d116bfe0-b765-013c-0e59-5e0d088f8eef.css

142 ms

custom-d116bfe0-b765-013c-0e59-5e0d088f8eef.css

custom-d116bfe0-b765-013c-0e59-5e0d088f8eef.css

144 ms

loader.js

loader.js

141 ms

all.css

all.css

146 ms

jquery.min.js

jquery.min.js

78 ms

platform.js

platform.js

425 ms

css2

css2

23 ms

css2

css2

15 ms

fbevents.js

fbevents.js

733 ms

gtm.js

gtm.js

1196 ms

ns.html

ns.html

1246 ms

lbs-sticky-logo.png

lbs-sticky-logo.png

714 ms

image-2.png

image-2.png

418 ms

image-10.png

image-10.png

416 ms

image_2022_12_23t06_03_39_248z_1671778346__17017.original.png

image_2022_12_23t06_03_39_248z_1671778346__17017.original.png

416 ms

image-21.png

image-21.png

417 ms

image-22.png

image-22.png

416 ms

vector-8.png

vector-8.png

875 ms

timber-sheet.png

timber-sheet.png

1001 ms

cavity-insulation.png

cavity-insulation.png

1154 ms

plasterboard.png

plasterboard.png

942 ms

acoustic-materials.png

acoustic-materials.png

999 ms

pir.png

pir.png

911 ms

metal-and-stud.png

metal-and-stud.png

1062 ms

wall-insulation-another.png

wall-insulation-another.png

1152 ms

floor-insulation.png

floor-insulation.png

1473 ms

roof-insulation.png

roof-insulation.png

1694 ms

star-1.png

star-1.png

1061 ms

loading.svg

loading.svg

1392 ms

ic-arrow-go.png

ic-arrow-go.png

1395 ms

basketwhite.png

basketwhite.png

413 ms

pxiEyp8kv8JHgFVrFJA.ttf

pxiEyp8kv8JHgFVrFJA.ttf

1063 ms

pxiEyp8kv8JHgFVrJJfedw.ttf

pxiEyp8kv8JHgFVrJJfedw.ttf

1150 ms

pxiByp8kv8JHgFVrLGT9V1s.ttf

pxiByp8kv8JHgFVrLGT9V1s.ttf

1394 ms

pxiByp8kv8JHgFVrLGT9Z1xlEA.ttf

pxiByp8kv8JHgFVrLGT9Z1xlEA.ttf

1256 ms

pxiByp8kv8JHgFVrLDz8Z1xlEA.ttf

pxiByp8kv8JHgFVrLDz8Z1xlEA.ttf

1150 ms

pxiByp8kv8JHgFVrLEj6V1s.ttf

pxiByp8kv8JHgFVrLEj6V1s.ttf

1257 ms

pxiByp8kv8JHgFVrLCz7V1s.ttf

pxiByp8kv8JHgFVrLCz7V1s.ttf

1389 ms

pxiByp8kv8JHgFVrLCz7Z1xlEA.ttf

pxiByp8kv8JHgFVrLCz7Z1xlEA.ttf

1388 ms

pxiByp8kv8JHgFVrLDD4V1s.ttf

pxiByp8kv8JHgFVrLDD4V1s.ttf

1472 ms

theme-bundle.main.js

theme-bundle.main.js

1413 ms

jquery.min.js

jquery.min.js

351 ms

csrf-protection-header-95f3d9ac8c049e3ed132c83a168cf1d6a8ed0237.js

csrf-protection-header-95f3d9ac8c049e3ed132c83a168cf1d6a8ed0237.js

1410 ms

platform.js

platform.js

936 ms

visitor_stencil.js

visitor_stencil.js

1634 ms

init.js

init.js

1636 ms

1h6oruhi8.js

1h6oruhi8.js

1329 ms

super_pay_bc.js

super_pay_bc.js

982 ms

jquery-3.6.4.min.js

jquery-3.6.4.min.js

982 ms

js

js

934 ms

group-1062.png

group-1062.png

1633 ms

fa-solid-900.woff

fa-solid-900.woff

654 ms

fa-regular-400.woff

fa-regular-400.woff

970 ms

fa-light-300.woff

fa-light-300.woff

969 ms

S6u9w4BMUTPHh6UVew8.ttf

S6u9w4BMUTPHh6UVew8.ttf

602 ms

S6uyw4BMUTPHvxk.ttf

S6uyw4BMUTPHvxk.ttf

821 ms

S6u9w4BMUTPHh7USew8.ttf

S6u9w4BMUTPHh7USew8.ttf

822 ms

fa-brands-400.woff

fa-brands-400.woff

186 ms

landing

landing

775 ms

js

js

130 ms

loader.js

loader.js

543 ms

bat.js

bat.js

762 ms

nobot

nobot

635 ms

call-tracking_7.js

call-tracking_7.js

15 ms

211017494.js

211017494.js

182 ms

js

js

165 ms

graphql

graphql

837 ms

graphql

graphql

831 ms

graphql

graphql

933 ms

index.php

index.php

643 ms

816 ms

1h6oruhi8

1h6oruhi8

653 ms

211017494

211017494

800 ms

angle-left.svg

angle-left.svg

495 ms

icon-sprite.svg

icon-sprite.svg

181 ms

angle-right.svg

angle-right.svg

195 ms

wcm

wcm

64 ms

logoShowcase.js

logoShowcase.js

42 ms

trustpilotReviews.js

trustpilotReviews.js

58 ms

rockwool-100mm-rockwool-rwa45-acoustic-sound-insulation-slab-2.88m2-pack__83467.1696513853.jpg

rockwool-100mm-rockwool-rwa45-acoustic-sound-insulation-slab-2.88m2-pack__83467.1696513853.jpg

51 ms

rockwool-100mm-rockwool-rwa45-acoustic-sound-insulation-slab-2.88m2-pack__91062.1696513853.jpg

rockwool-100mm-rockwool-rwa45-acoustic-sound-insulation-slab-2.88m2-pack__91062.1696513853.jpg

31 ms

sound-barrier-sb-sb-12-underlay-high-performance-12mm-soundmatting-airbourne-and-impact-soundmat-sound-control-12mm__21973.1709036444.jpg

sound-barrier-sb-sb-12-underlay-high-performance-12mm-soundmatting-airbourne-and-impact-soundmat-sound-control-12mm__21973.1709036444.jpg

31 ms

sound-barrier-sb-sb-12-underlay-high-performance-12mm-soundmatting-airbourne-and-impact-soundmat-sound-control-12mm__02746.1709036445.jpg

sound-barrier-sb-sb-12-underlay-high-performance-12mm-soundmatting-airbourne-and-impact-soundmat-sound-control-12mm__02746.1709036445.jpg

32 ms

sound-barrier-sb-6mm-acoustic-impact-rubber-underlay-floating-flooring-10m-x-1.25m-12.5m2-roll__85645.1709036458.jpg

sound-barrier-sb-6mm-acoustic-impact-rubber-underlay-floating-flooring-10m-x-1.25m-12.5m2-roll__85645.1709036458.jpg

23 ms

sound-barrier-sb-6mm-acoustic-impact-rubber-underlay-floating-flooring-10m-x-1.25m-12.5m2-roll__25244.1709036457.jpg

sound-barrier-sb-6mm-acoustic-impact-rubber-underlay-floating-flooring-10m-x-1.25m-12.5m2-roll__25244.1709036457.jpg

30 ms

rockwool-100mm-rockwool-rw3-acoustic-sound-thermal-fire-insulation-slab-pallet-2.88m2-pack-4-slabs-60kg-m3__23525.1709304555.jpg

rockwool-100mm-rockwool-rw3-acoustic-sound-thermal-fire-insulation-slab-pallet-2.88m2-pack-4-slabs-60kg-m3__23525.1709304555.jpg

33 ms

rockwool-100mm-rockwool-rw3-pro-rox-sl930-acoustic-sound-thermal-fire-insulation-slab-2.88m2-pack-4-slabs-60kg-m3__52715.1709382416.jpg

rockwool-100mm-rockwool-rw3-pro-rox-sl930-acoustic-sound-thermal-fire-insulation-slab-2.88m2-pack-4-slabs-60kg-m3__52715.1709382416.jpg

49 ms

generic-3.6mm-non-structural-hardwood-plywood-sheet-2440mm-x-1220mm-8-x-4__62457.1697439590.jpg

generic-3.6mm-non-structural-hardwood-plywood-sheet-2440mm-x-1220mm-8-x-4__62457.1697439590.jpg

45 ms

generic-3.6mm-non-structural-hardwood-plywood-sheet-2440mm-x-1220mm-8-x-4__74206.1697439487.jpg

generic-3.6mm-non-structural-hardwood-plywood-sheet-2440mm-x-1220mm-8-x-4__74206.1697439487.jpg

46 ms

clarity.js

clarity.js

15 ms

Accessibility Review

londonbuildingsupplies.co.uk accessibility score

80

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.

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 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

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>).

Best Practices

londonbuildingsupplies.co.uk best practices score

75

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

londonbuildingsupplies.co.uk SEO score

91

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

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 Londonbuildingsupplies.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 Londonbuildingsupplies.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

londonbuildingsupplies.co.uk

Open Graph description is not detected on the main page of London Building Supplies. 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: