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supreme-windows.co.uk screenshot

Report Summary

  • 36

    Performance

    Renders faster than
    55% of other websites

  • 98

    Accessibility

    Visual factors better than
    that of 94% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 92

    SEO

    Google-friendlier than
    74% of websites

supreme-windows.co.uk

Supreme Windows Ltd | Double Glazing Installer

Page Load Speed

2.1 sec in total

First Response

738 ms

Resources Loaded

1.3 sec

Page Rendered

60 ms

supreme-windows.co.uk screenshot

About Website

Welcome to supreme-windows.co.uk homepage info - get ready to check Supreme Windows best content right away, or after learning these important things about supreme-windows.co.uk

Supreme Windows Ltd pride themselves on being quality double glazing suppliers and installers of uPVC windows, doors and conservatories. Located between Kings Lynn and Wisbech, contact your family run...

Visit supreme-windows.co.uk

Key Findings

We analyzed Supreme-windows.co.uk page load time and found that the first response time was 738 ms and then it took 1.4 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

supreme-windows.co.uk performance score

36

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.8 s

56/100

10%

LCP (Largest Contentful Paint)

Value7.1 s

6/100

25%

SI (Speed Index)

Value5.3 s

58/100

10%

TBT (Total Blocking Time)

Value1,120 ms

23/100

30%

CLS (Cumulative Layout Shift)

Value0.038

100/100

15%

TTI (Time to Interactive)

Value13.4 s

11/100

10%

Network Requests Diagram

www.supreme-windows.co.uk

738 ms

minified.js

44 ms

focus-within-polyfill.js

39 ms

polyfill.min.js

86 ms

thunderbolt-commons.b70ee867.bundle.min.js

71 ms

Our browser made a total of 35 requests to load all elements on the main page. We found that 3% of them (1 request) were addressed to the original Supreme-windows.co.uk, 34% (12 requests) were made to Static.parastorage.com and 34% (12 requests) were made to Sentry-next.wixpress.com. The less responsive or slowest element that took the longest time to load (738 ms) belongs to the original domain Supreme-windows.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 525.4 kB (56%)

Content Size

944.1 kB

After Optimization

418.7 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Supreme-windows.co.uk main page is 944.1 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 40% of websites need less resources to load. HTML takes 658.2 kB which makes up the majority of the site volume.

HTML Optimization

-79%

Potential reduce by 521.8 kB

  • Original 658.2 kB
  • After minification 656.5 kB
  • After compression 136.5 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 521.8 kB or 79% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 26.0 kB
  • After minification 26.0 kB

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. Supreme Windows images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 3.7 kB

  • Original 259.9 kB
  • After minification 259.9 kB
  • After compression 256.2 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.

Requests Breakdown

Number of requests can be reduced by 10 (45%)

Requests Now

22

After Optimization

12

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 22 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Supreme Windows. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.supreme-windows.co.uk

www.supreme-windows.co.uk

738 ms

minified.js

minified.js

44 ms

focus-within-polyfill.js

focus-within-polyfill.js

39 ms

polyfill.min.js

polyfill.min.js

86 ms

thunderbolt-commons.b70ee867.bundle.min.js

thunderbolt-commons.b70ee867.bundle.min.js

71 ms

main.317ed945.bundle.min.js

main.317ed945.bundle.min.js

70 ms

main.renderer.1d21f023.bundle.min.js

main.renderer.1d21f023.bundle.min.js

29 ms

lodash.min.js

lodash.min.js

71 ms

react.production.min.js

react.production.min.js

69 ms

react-dom.production.min.js

react-dom.production.min.js

71 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

68 ms

804ec1_b59923b967ed439298ed53b9ebfa91d4~mv2.jpg

804ec1_b59923b967ed439298ed53b9ebfa91d4~mv2.jpg

118 ms

bundle.min.js

bundle.min.js

105 ms

804ec1_c06406268f1e44f8ba6883740af0c196~mv2.jpg

804ec1_c06406268f1e44f8ba6883740af0c196~mv2.jpg

27 ms

804ec1_da1874a4b53444de8e90493c8226a691f000.jpg

804ec1_da1874a4b53444de8e90493c8226a691f000.jpg

27 ms

804ec1_d96708e8084a4d29bfae8ca6b09fb9b0~mv2.jpg

804ec1_d96708e8084a4d29bfae8ca6b09fb9b0~mv2.jpg

32 ms

solidor-logo.jpg

solidor-logo.jpg

31 ms

804ec1_94694942d144414791506770b0250775f000.jpg

804ec1_94694942d144414791506770b0250775f000.jpg

32 ms

September2024_edited.jpg

September2024_edited.jpg

299 ms

129 ms

122 ms

120 ms

117 ms

120 ms

112 ms

152 ms

158 ms

151 ms

151 ms

148 ms

147 ms

deprecation-en.v5.html

deprecation-en.v5.html

7 ms

bolt-performance

bolt-performance

21 ms

deprecation-style.v5.css

deprecation-style.v5.css

10 ms

right-arrow.svg

right-arrow.svg

7 ms

Accessibility Review

supreme-windows.co.uk accessibility score

98

Accessibility Issues

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

Best Practices

supreme-windows.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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

High

Page has valid source maps

SEO Factors

supreme-windows.co.uk SEO score

92

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

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 Supreme-windows.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 Supreme-windows.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

supreme-windows.co.uk

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