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opusenergy.co.uk screenshot

Report Summary

  • 21

    Performance

    Renders faster than
    39% of other websites

  • 96

    Accessibility

    Visual factors better than
    that of 89% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 93

    SEO

    Google-friendlier than
    84% of websites

opusenergy.co.uk

Renewable energy for business - Get a quote | Opus Energy

Page Load Speed

2.2 sec in total

First Response

46 ms

Resources Loaded

1.5 sec

Page Rendered

595 ms

opusenergy.co.uk screenshot

About Website

Welcome to opusenergy.co.uk homepage info - get ready to check Opus Energy best content right away, or after learning these important things about opusenergy.co.uk

Opus Energy provides competitive business energy to SMEs and larger businesses across the UK. Get in touch today for a business electricity or gas quote.

Visit opusenergy.co.uk

Key Findings

We analyzed Opusenergy.co.uk page load time and found that the first response time was 46 ms and then it took 2.1 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 40% of websites can load faster.

Performance Metrics

opusenergy.co.uk performance score

21

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.7 s

5/100

10%

LCP (Largest Contentful Paint)

Value6.7 s

7/100

25%

SI (Speed Index)

Value9.5 s

12/100

10%

TBT (Total Blocking Time)

Value2,170 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.017

100/100

15%

TTI (Time to Interactive)

Value14.2 s

9/100

10%

Network Requests Diagram

opusenergy.co.uk

46 ms

www.opusenergy.com

502 ms

main.css

480 ms

mmapi.js

421 ms

main.js

600 ms

Our browser made a total of 13 requests to load all elements on the main page. We found that 8% of them (1 request) were addressed to the original Opusenergy.co.uk, 62% (8 requests) were made to Opusenergy.com and 15% (2 requests) were made to Service.maxymiser.net. The less responsive or slowest element that took the longest time to load (600 ms) relates to the external source Opusenergy.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 106.8 kB (62%)

Content Size

172.0 kB

After Optimization

65.2 kB

  • HTML
  • Images
  • JavaScript

In fact, the total size of Opusenergy.co.uk main page is 172.0 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. 45% of websites need less resources to load. HTML takes 122.2 kB which makes up the majority of the site volume.

HTML Optimization

-87%

Potential reduce by 106.6 kB

  • Original 122.2 kB
  • After minification 93.4 kB
  • After compression 15.6 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 28.8 kB, which is 24% 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 106.6 kB or 87% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 22.7 kB
  • After minification 22.7 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. Opus Energy images are well optimized though.

JavaScript Optimization

-1%

Potential reduce by 226 B

  • Original 27.2 kB
  • After minification 27.2 kB
  • After compression 26.9 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 4 (57%)

Requests Now

7

After Optimization

3

  • Images
  • JavaScript
  • CSS

The browser has sent 7 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Opus Energy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

opusenergy.co.uk

opusenergy.co.uk

46 ms

www.opusenergy.com

www.opusenergy.com

502 ms

main.css

main.css

480 ms

mmapi.js

mmapi.js

421 ms

main.js

main.js

600 ms

82 ms

gtm.js

gtm.js

185 ms

OpusEnergyLogo-PartOfDraxGroup-Logo-white.png

OpusEnergyLogo-PartOfDraxGroup-Logo-white.png

44 ms

platform.js

platform.js

68 ms

Averta-Light.woff

Averta-Light.woff

14 ms

Averta-Regular.woff

Averta-Regular.woff

14 ms

Averta-Semibold.woff

Averta-Semibold.woff

30 ms

Averta-Bold.woff

Averta-Bold.woff

31 ms

Accessibility Review

opusenergy.co.uk accessibility score

96

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.

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

opusenergy.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

opusenergy.co.uk SEO score

93

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

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 Opusenergy.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 Opusenergy.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

opusenergy.co.uk

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