Tools & Wizards About Us

Report Summary

  • 29

    Performance

    Renders faster than
    49% of other websites

  • 89

    Accessibility

    Visual factors better than
    that of 71% of websites

  • 67

    Best Practices

    More advanced features
    available than in
    24% of websites

  • 85

    SEO

    Google-friendlier than
    55% of websites

greenenergy.uk.com

100Green | UK's Only 100% Green Gas & Electricity Supplier

Page Load Speed

2.5 sec in total

First Response

234 ms

Resources Loaded

2 sec

Page Rendered

299 ms

About Website

Visit greenenergy.uk.com now to see the best up-to-date Green Energy content and also check out these interesting facts you probably never knew about greenenergy.uk.com

We are the UK’s only supplier of 100% green gas and renewable electricity. Find out more about our ethical, sustainable energy and switch to 100Green today.

Visit greenenergy.uk.com

Key Findings

We analyzed Greenenergy.uk.com page load time and found that the first response time was 234 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

greenenergy.uk.com performance score

29

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.4 s

37/100

10%

LCP (Largest Contentful Paint)

Value6.6 s

8/100

25%

SI (Speed Index)

Value6.8 s

35/100

10%

TBT (Total Blocking Time)

Value1,570 ms

13/100

30%

CLS (Cumulative Layout Shift)

Value0.047

99/100

15%

TTI (Time to Interactive)

Value13.1 s

12/100

10%

Network Requests Diagram

greenenergy.uk.com

234 ms

www.greenenergyuk.com

258 ms

www.greenenergyuk.com

526 ms

new.css

165 ms

bootstrap.min.css

249 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 Greenenergy.uk.com, 57% (26 requests) were made to Greenenergyuk.com and 9% (4 requests) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (526 ms) relates to the external source Greenenergyuk.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 134.2 kB (46%)

Content Size

294.3 kB

After Optimization

160.1 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Greenenergy.uk.com main page is 294.3 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. 70% of websites need less resources to load. Javascripts take 129.9 kB which makes up the majority of the site volume.

HTML Optimization

-78%

Potential reduce by 86.3 kB

  • Original 110.9 kB
  • After minification 95.6 kB
  • After compression 24.6 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 15.4 kB, which is 14% 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 86.3 kB or 78% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 1.1 kB
  • After minification 1.1 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. Green Energy images are well optimized though.

JavaScript Optimization

-20%

Potential reduce by 26.6 kB

  • Original 129.9 kB
  • After minification 129.7 kB
  • After compression 103.3 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 26.6 kB or 20% of the original size.

CSS Optimization

-41%

Potential reduce by 21.2 kB

  • Original 52.4 kB
  • After minification 52.4 kB
  • After compression 31.1 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. Greenenergy.uk.com needs all CSS files to be minified and compressed as it can save up to 21.2 kB or 41% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (46%)

Requests Now

39

After Optimization

21

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 39 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Green 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 19 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

greenenergy.uk.com accessibility score

89

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

[id] attributes on active, focusable elements are not unique

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

greenenergy.uk.com best practices score

67

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Displays images with incorrect aspect ratio

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

greenenergy.uk.com SEO score

85

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

robots.txt is not valid

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 Greenenergy.uk.com 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 Greenenergy.uk.com 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 data is detected on the main page of Green Energy. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: