Tools & Wizards About Us
haven.co.uk screenshot

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 90

    Accessibility

    Visual factors better than
    that of 74% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    80% of websites

  • 99

    SEO

    Google-friendlier than
    93% of websites

haven.co.uk

Haven Automation Ltd | Calibration House | Wales

Page Load Speed

5.7 sec in total

First Response

1.4 sec

Resources Loaded

4.2 sec

Page Rendered

55 ms

haven.co.uk screenshot

About Website

Click here to check amazing Haven content for United Kingdom. Otherwise, check out these important facts you probably never knew about haven.co.uk

UKAS Calibration Of A Wide Range Of Temperature, Electrical And Pressure Equipment From Haven Automation Limited.

Visit haven.co.uk

Key Findings

We analyzed Haven.co.uk page load time and found that the first response time was 1.4 sec and then it took 4.2 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.

Performance Metrics

haven.co.uk performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

75/100

10%

LCP (Largest Contentful Paint)

Value2.9 s

80/100

25%

SI (Speed Index)

Value9.1 s

14/100

10%

TBT (Total Blocking Time)

Value2,470 ms

4/100

30%

CLS (Cumulative Layout Shift)

Value0.002

100/100

15%

TTI (Time to Interactive)

Value19.5 s

2/100

10%

Network Requests Diagram

www.haven.co.uk

1443 ms

minified.js

25 ms

focus-within-polyfill.js

62 ms

polyfill.min.js

1542 ms

thunderbolt-commons.f03a5fa7.bundle.min.js

41 ms

Our browser made a total of 46 requests to load all elements on the main page. We found that 2% of them (1 request) were addressed to the original Haven.co.uk, 33% (15 requests) were made to Static.parastorage.com and 33% (15 requests) were made to Static.wixstatic.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source Polyfill-fastly.io.

Page Optimization Overview & Recommendations

Page size can be reduced by 460.6 kB (41%)

Content Size

1.1 MB

After Optimization

649.9 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Haven.co.uk main page is 1.1 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 533.9 kB which makes up the majority of the site volume.

HTML Optimization

-76%

Potential reduce by 406.9 kB

  • Original 533.9 kB
  • After minification 532.4 kB
  • After compression 127.0 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 406.9 kB or 76% of the original size.

Image Optimization

-15%

Potential reduce by 49.4 kB

  • Original 335.5 kB
  • After minification 286.1 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. Obviously, Haven needs image optimization as it can save up to 49.4 kB or 15% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-2%

Potential reduce by 4.2 kB

  • Original 241.1 kB
  • After minification 241.0 kB
  • After compression 236.9 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 11 (35%)

Requests Now

31

After Optimization

20

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Haven. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 12 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.haven.co.uk

www.haven.co.uk

1443 ms

minified.js

minified.js

25 ms

focus-within-polyfill.js

focus-within-polyfill.js

62 ms

polyfill.min.js

polyfill.min.js

1542 ms

thunderbolt-commons.f03a5fa7.bundle.min.js

thunderbolt-commons.f03a5fa7.bundle.min.js

41 ms

main.ceaab929.bundle.min.js

main.ceaab929.bundle.min.js

48 ms

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

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

45 ms

lodash.min.js

lodash.min.js

47 ms

react.production.min.js

react.production.min.js

47 ms

react-dom.production.min.js

react-dom.production.min.js

44 ms

siteTags.bundle.min.js

siteTags.bundle.min.js

45 ms

wix-perf-measure.umd.min.js

wix-perf-measure.umd.min.js

47 ms

Haven%20Symbol%20transparent%20back%2025%25_PNG.png

Haven%20Symbol%20transparent%20back%2025%25_PNG.png

278 ms

asc-400.jpg

asc-400.jpg

464 ms

Crystal%20Products.png

Crystal%20Products.png

543 ms

Oil-Platform.jpg

Oil-Platform.jpg

382 ms

bench.png

bench.png

617 ms

Pipes%20and%20Pressure.jpg

Pipes%20and%20Pressure.jpg

431 ms

Jofra%20Dry%20blocks.png

Jofra%20Dry%20blocks.png

511 ms

PIE-850%20small.jpg

PIE-850%20small.jpg

606 ms

OTB8_jfif.jpg

OTB8_jfif.jpg

869 ms

Haven%20Symbol%20transparent%20back%2025%25_PNG.png

Haven%20Symbol%20transparent%20back%2025%25_PNG.png

571 ms

ILAC-UKAS%20Logo%202022.png

ILAC-UKAS%20Logo%202022.png

753 ms

SGS_ISO%209001_TCL_HR.jpg

SGS_ISO%209001_TCL_HR.jpg

758 ms

a5cf0e_942cdf3fb9e74423aafbb4e6e274bf4f~mv2.jpg

a5cf0e_942cdf3fb9e74423aafbb4e6e274bf4f~mv2.jpg

693 ms

Chamber%20of%20Commerce%20Member%20Logo.png

Chamber%20of%20Commerce%20Member%20Logo.png

798 ms

FSBLog_mem.jpg

FSBLog_mem.jpg

813 ms

bundle.min.js

bundle.min.js

49 ms

opensans-regular-webfont.woff

opensans-regular-webfont.woff

37 ms

opensans-bold-webfont.woff

opensans-bold-webfont.woff

38 ms

113 ms

107 ms

105 ms

107 ms

105 ms

99 ms

108 ms

108 ms

105 ms

106 ms

103 ms

100 ms

deprecation-en.v5.html

deprecation-en.v5.html

4 ms

bolt-performance

bolt-performance

18 ms

deprecation-style.v5.css

deprecation-style.v5.css

6 ms

right-arrow.svg

right-arrow.svg

6 ms

Accessibility Review

haven.co.uk accessibility score

90

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

Buttons do not have an accessible 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.

Best Practices

haven.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

Missing source maps for large first-party JavaScript

SEO Factors

haven.co.uk SEO score

99

Search Engine Optimization Advices

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 Haven.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 Haven.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

haven.co.uk

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