Tools & Wizards About Us
sustainableacoustics.co.uk screenshot

Report Summary

  • 23

    Performance

    Renders faster than
    42% of other websites

  • 77

    Accessibility

    Visual factors better than
    that of 44% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 82

    SEO

    Google-friendlier than
    44% of websites

sustainableacoustics.co.uk

Sustainable Acoustics | Expert Acoustic Consultancy UK

Page Load Speed

2.5 sec in total

First Response

172 ms

Resources Loaded

2.2 sec

Page Rendered

80 ms

sustainableacoustics.co.uk screenshot

About Website

Welcome to sustainableacoustics.co.uk homepage info - get ready to check Sustainable Acoustics best content right away, or after learning these important things about sustainableacoustics.co.uk

At Sustainable Acoustics, climate strategy drives our next-generation approach. We offer UK acoustic consultancy services in environmental and building acoustics, expert witness and more.

Visit sustainableacoustics.co.uk

Key Findings

We analyzed Sustainableacoustics.co.uk page load time and found that the first response time was 172 ms and then it took 2.3 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

sustainableacoustics.co.uk performance score

23

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.0 s

49/100

10%

LCP (Largest Contentful Paint)

Value7.6 s

4/100

25%

SI (Speed Index)

Value10.2 s

8/100

10%

TBT (Total Blocking Time)

Value2,660 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.003

100/100

15%

TTI (Time to Interactive)

Value16.7 s

5/100

10%

Network Requests Diagram

www.sustainableacoustics.co.uk

172 ms

minified.js

83 ms

focus-within-polyfill.js

78 ms

polyfill.min.js

993 ms

thunderbolt-commons.e7839053.bundle.min.js

116 ms

Our browser made a total of 54 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Sustainableacoustics.co.uk, 48% (26 requests) were made to Static.wixstatic.com and 22% (12 requests) were made to Static.parastorage.com. The less responsive or slowest element that took the longest time to load (993 ms) relates to the external source Polyfill-fastly.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 721.7 kB (56%)

Content Size

1.3 MB

After Optimization

565.4 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Sustainableacoustics.co.uk main page is 1.3 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. 35% of websites need less resources to load. HTML takes 872.2 kB which makes up the majority of the site volume.

HTML Optimization

-81%

Potential reduce by 706.2 kB

  • Original 872.2 kB
  • After minification 870.4 kB
  • After compression 166.0 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 706.2 kB or 81% of the original size.

Image Optimization

-7%

Potential reduce by 11.3 kB

  • Original 154.6 kB
  • After minification 143.3 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. Sustainable Acoustics images are well optimized though.

JavaScript Optimization

-2%

Potential reduce by 4.2 kB

  • Original 260.4 kB
  • After minification 260.3 kB
  • After compression 256.1 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 (25%)

Requests Now

40

After Optimization

30

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 40 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Sustainable Acoustics. 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.sustainableacoustics.co.uk

www.sustainableacoustics.co.uk

172 ms

minified.js

minified.js

83 ms

focus-within-polyfill.js

focus-within-polyfill.js

78 ms

polyfill.min.js

polyfill.min.js

993 ms

thunderbolt-commons.e7839053.bundle.min.js

thunderbolt-commons.e7839053.bundle.min.js

116 ms

main.760485a2.bundle.min.js

main.760485a2.bundle.min.js

116 ms

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

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

115 ms

lodash.min.js

lodash.min.js

110 ms

react.production.min.js

react.production.min.js

98 ms

react-dom.production.min.js

react-dom.production.min.js

101 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

99 ms

11062b_a6d154bfda6d4921baa3cdf6b615a9db~mv2_d_5184_3456_s_4_2.jpg

11062b_a6d154bfda6d4921baa3cdf6b615a9db~mv2_d_5184_3456_s_4_2.jpg

165 ms

SA_logo_rgb_300dpi.png

SA_logo_rgb_300dpi.png

342 ms

11062b_6756c2d49df9486cacddd81718a06514f000.jpg

11062b_6756c2d49df9486cacddd81718a06514f000.jpg

500 ms

11062b_20d4b91da6f2419184613bcfc200da15f000.jpg

11062b_20d4b91da6f2419184613bcfc200da15f000.jpg

531 ms

11062b_41148c6b0dca4f42b8380089fd183012f000.jpg

11062b_41148c6b0dca4f42b8380089fd183012f000.jpg

350 ms

75dea4_a85411c6acb4449fba2169fdef8d0b79~mv2.png

75dea4_a85411c6acb4449fba2169fdef8d0b79~mv2.png

344 ms

Planning%20-%20Picket%2020%201.png

Planning%20-%20Picket%2020%201.png

590 ms

Sound%20Insulation%20Testing%202.jpg

Sound%20Insulation%20Testing%202.jpg

529 ms

Architectural%20Plans.jpg

Architectural%20Plans.jpg

452 ms

Gyms.jpg

Gyms.jpg

589 ms

75dea4_cbe904b832f54e899b5e66bc39a23af0~mv2.webp

75dea4_cbe904b832f54e899b5e66bc39a23af0~mv2.webp

651 ms

75dea4_9edd202f07f84dae9dffbbaa7ecfba5d~mv2.png

75dea4_9edd202f07f84dae9dffbbaa7ecfba5d~mv2.png

683 ms

75dea4_11f5bd7f8bbd4864965cfe58d5f9516c~mv2.png

75dea4_11f5bd7f8bbd4864965cfe58d5f9516c~mv2.png

845 ms

11062b_7b697fc7b28f4bd591198eaa846dc2faf000.jpg

11062b_7b697fc7b28f4bd591198eaa846dc2faf000.jpg

687 ms

75dea4_bec77e24b9b7497da5d25e9f40c87e3b~mv2.webp

75dea4_bec77e24b9b7497da5d25e9f40c87e3b~mv2.webp

590 ms

75dea4_bec77e24b9b7497da5d25e9f40c87e3b~mv2.webp

75dea4_bec77e24b9b7497da5d25e9f40c87e3b~mv2.webp

590 ms

75dea4_1c28f17f397e49dea2e88a0b8b29478b~mv2.webp

75dea4_1c28f17f397e49dea2e88a0b8b29478b~mv2.webp

591 ms

75dea4_1c28f17f397e49dea2e88a0b8b29478b~mv2.webp

75dea4_1c28f17f397e49dea2e88a0b8b29478b~mv2.webp

592 ms

75dea4_9d54a548fd7a4ebf9a263de2d303b073~mv2.webp

75dea4_9d54a548fd7a4ebf9a263de2d303b073~mv2.webp

593 ms

75dea4_9d54a548fd7a4ebf9a263de2d303b073~mv2.webp

75dea4_9d54a548fd7a4ebf9a263de2d303b073~mv2.webp

594 ms

SA_logo_whitetext_rgb_300dpi.png

SA_logo_whitetext_rgb_300dpi.png

594 ms

Sub_Member_FullCol.png

Sub_Member_FullCol.png

596 ms

anc-corelogo-acoustic.jpeg

anc-corelogo-acoustic.jpeg

596 ms

CharteredEngineerC3.png

CharteredEngineerC3.png

598 ms

Register-Expert-Witness-emblem_edited_pn.png

Register-Expert-Witness-emblem_edited_pn.png

598 ms

file.woff

file.woff

439 ms

bundle.min.js

bundle.min.js

187 ms

110 ms

113 ms

110 ms

109 ms

110 ms

106 ms

131 ms

134 ms

132 ms

133 ms

129 ms

129 ms

deprecation-en.v5.html

deprecation-en.v5.html

8 ms

bolt-performance

bolt-performance

24 ms

deprecation-style.v5.css

deprecation-style.v5.css

6 ms

right-arrow.svg

right-arrow.svg

4 ms

Accessibility Review

sustainableacoustics.co.uk accessibility score

77

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

High

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

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

High

Form elements do not have associated labels

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

Best Practices

sustainableacoustics.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

sustainableacoustics.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 Sustainableacoustics.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 Sustainableacoustics.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

sustainableacoustics.co.uk

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