Report Summary

  • 62

    Performance

    Renders faster than
    77% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 92

    Best Practices

    More advanced features
    available than in
    81% of websites

  • 100

    SEO

    Google-friendlier than
    95% of websites

goodenergy.co.uk

Renewable Energy Supplier | Renewable Energy UK | Good Energy

Page Load Speed

2.6 sec in total

First Response

211 ms

Resources Loaded

2.3 sec

Page Rendered

121 ms

goodenergy.co.uk screenshot

About Website

Welcome to goodenergy.co.uk homepage info - get ready to check Good Energy best content for United Kingdom right away, or after learning these important things about goodenergy.co.uk

Green energy for your home or business. Good Energy supplies 100% renewable electricity and installs heat pumps and solar panels.

Visit goodenergy.co.uk

Key Findings

We analyzed Goodenergy.co.uk page load time and found that the first response time was 211 ms and then it took 2.4 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

goodenergy.co.uk performance score

62

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.9 s

52/100

10%

LCP (Largest Contentful Paint)

Value3.6 s

60/100

25%

SI (Speed Index)

Value4.7 s

69/100

10%

TBT (Total Blocking Time)

Value590 ms

50/100

30%

CLS (Cumulative Layout Shift)

Value0.093

91/100

15%

TTI (Time to Interactive)

Value6.1 s

64/100

10%

Network Requests Diagram

www.goodenergy.co.uk

211 ms

application-0c6a0b282777d4f822a5fab5524f9eec.css

325 ms

modernizr.min.js

52 ms

330028249.js

224 ms

jquery.min.js

51 ms

Our browser made a total of 66 requests to load all elements on the main page. We found that 39% of them (26 requests) were addressed to the original Goodenergy.co.uk, 5% (3 requests) were made to Google.com and 5% (3 requests) were made to Pixel.mathtag.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Goodenergy.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 810.4 kB (47%)

Content Size

1.7 MB

After Optimization

910.6 kB

In fact, the total size of Goodenergy.co.uk main page is 1.7 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. 40% of websites need less resources to load. Javascripts take 758.2 kB which makes up the majority of the site volume.

HTML Optimization

-71%

Potential reduce by 21.4 kB

  • Original 30.1 kB
  • After minification 27.7 kB
  • After compression 8.7 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 21.4 kB or 71% of the original size.

Image Optimization

-1%

Potential reduce by 5.2 kB

  • Original 618.3 kB
  • After minification 613.1 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. Good Energy images are well optimized though.

JavaScript Optimization

-67%

Potential reduce by 510.1 kB

  • Original 758.2 kB
  • After minification 757.0 kB
  • After compression 248.0 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. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 510.1 kB or 67% of the original size.

CSS Optimization

-87%

Potential reduce by 273.7 kB

  • Original 314.5 kB
  • After minification 312.3 kB
  • After compression 40.8 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. Goodenergy.co.uk needs all CSS files to be minified and compressed as it can save up to 273.7 kB or 87% of the original size.

Requests Breakdown

Number of requests can be reduced by 37 (61%)

Requests Now

61

After Optimization

24

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Good 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 25 to 1 for JavaScripts and as a result speed up the page load time.

Accessibility Review

goodenergy.co.uk accessibility score

100

Accessibility Issues

Best Practices

goodenergy.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

SEO Factors

goodenergy.co.uk SEO score

100

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

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 Goodenergy.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 Goodenergy.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

Open Graph description is not detected on the main page of Good Energy. 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: