Tools & Wizards About Us

Report Summary

  • 45

    Performance

    Renders faster than
    64% of other websites

  • 93

    Accessibility

    Visual factors better than
    that of 80% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

electricitybillcalculator.com

Electricity Bill Calculator UK | Calculate Electric Bills

Page Load Speed

2.5 sec in total

First Response

226 ms

Resources Loaded

2.1 sec

Page Rendered

129 ms

About Website

Click here to check amazing Electricity Bill Calculator content for United Kingdom. Otherwise, check out these important facts you probably never knew about electricitybillcalculator.com

Electricity Bill Calculator is the UK’s simple energy bill calculation tool, providing a breakdown of metered electricity costs as well as standing charges and more

Visit electricitybillcalculator.com

Key Findings

We analyzed Electricitybillcalculator.com page load time and found that the first response time was 226 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

electricitybillcalculator.com performance score

45

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.4 s

71/100

10%

LCP (Largest Contentful Paint)

Value4.1 s

46/100

25%

SI (Speed Index)

Value5.5 s

55/100

10%

TBT (Total Blocking Time)

Value1,310 ms

18/100

30%

CLS (Cumulative Layout Shift)

Value0.079

94/100

15%

TTI (Time to Interactive)

Value11.6 s

18/100

10%

Network Requests Diagram

electricitybillcalculator.com

226 ms

www.electricitybillcalculator.com

413 ms

css_new.min.css

107 ms

adsbygoogle.js

56 ms

jquery-3.3.1.min.js

28 ms

Our browser made a total of 53 requests to load all elements on the main page. We found that 28% of them (15 requests) were addressed to the original Electricitybillcalculator.com, 21% (11 requests) were made to Tpc.googlesyndication.com and 17% (9 requests) were made to Pagead2.googlesyndication.com. The less responsive or slowest element that took the longest time to load (508 ms) relates to the external source Googleads.g.doubleclick.net.

Page Optimization Overview & Recommendations

Page size can be reduced by 84.5 kB (10%)

Content Size

814.1 kB

After Optimization

729.6 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Electricitybillcalculator.com main page is 814.1 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. 55% of websites need less resources to load. Javascripts take 572.0 kB which makes up the majority of the site volume.

HTML Optimization

-77%

Potential reduce by 30.6 kB

  • Original 39.6 kB
  • After minification 38.3 kB
  • After compression 9.0 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 30.6 kB or 77% of the original size.

Image Optimization

-2%

Potential reduce by 3.0 kB

  • Original 190.0 kB
  • After minification 187.0 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. Electricity Bill Calculator images are well optimized though.

JavaScript Optimization

-7%

Potential reduce by 41.4 kB

  • Original 572.0 kB
  • After minification 565.0 kB
  • After compression 530.6 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.

CSS Optimization

-76%

Potential reduce by 9.5 kB

  • Original 12.5 kB
  • After minification 12.5 kB
  • After compression 3.0 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. Electricitybillcalculator.com needs all CSS files to be minified and compressed as it can save up to 9.5 kB or 76% of the original size.

Requests Breakdown

Number of requests can be reduced by 18 (37%)

Requests Now

49

After Optimization

31

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Electricity Bill Calculator. 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

electricitybillcalculator.com accessibility score

93

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

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

electricitybillcalculator.com best practices score

83

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

General

Impact

Issue

Low

Detected JavaScript libraries

High

Page has valid source maps

SEO Factors

electricitybillcalculator.com SEO score

97

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 Electricitybillcalculator.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 Electricitybillcalculator.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 description is not detected on the main page of Electricity Bill Calculator. 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: