Report Summary

  • 86

    Performance

    Renders faster than
    89% of other websites

  • 100

    Accessibility

    Visual factors better than
    that of 97% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 86

    SEO

    Google-friendlier than
    60% of websites

octopus.energy

Octopus Energy: The UK's most awarded energy supplier

Page Load Speed

2.6 sec in total

First Response

140 ms

Resources Loaded

1.8 sec

Page Rendered

671 ms

About Website

Visit octopus.energy now to see the best up-to-date Octopus content for United Kingdom and also check out these interesting facts you probably never knew about octopus.energy

Octopus customers pay less: Cheaper than price-cap prices, rewards for using less when the grid is stressed, and smart tariff savings for your home, car or battery

Visit octopus.energy

Key Findings

We analyzed Octopus.energy page load time and found that the first response time was 140 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

octopus.energy performance score

86

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.3 s

76/100

10%

LCP (Largest Contentful Paint)

Value3.1 s

74/100

25%

SI (Speed Index)

Value4.4 s

74/100

10%

TBT (Total Blocking Time)

Value0 ms

100/100

30%

CLS (Cumulative Layout Shift)

Value0.119

85/100

15%

TTI (Time to Interactive)

Value2.3 s

99/100

10%

Network Requests Diagram

octopus.energy

140 ms

octopus.energy

424 ms

gtm.js

98 ms

fonts.min.css

38 ms

styles.min.5b52b6ed44f6.css

152 ms

Our browser made a total of 82 requests to load all elements on the main page. We found that 91% of them (75 requests) were addressed to the original Octopus.energy, 4% (3 requests) were made to Static.octopuscdn.com and 1% (1 request) were made to Googletagmanager.com. The less responsive or slowest element that took the longest time to load (584 ms) belongs to the original domain Octopus.energy.

Page Optimization Overview & Recommendations

Page size can be reduced by 352.2 kB (43%)

Content Size

812.9 kB

After Optimization

460.7 kB

In fact, the total size of Octopus.energy main page is 812.9 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. 50% of websites need less resources to load. HTML takes 469.5 kB which makes up the majority of the site volume.

HTML Optimization

-75%

Potential reduce by 350.4 kB

  • Original 469.5 kB
  • After minification 453.7 kB
  • After compression 119.1 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 350.4 kB or 75% of the original size.

Image Optimization

-0%

Potential reduce by 0 B

  • Original 29.6 kB
  • After minification 29.6 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. Octopus images are well optimized though.

JavaScript Optimization

-0%

Potential reduce by 1.1 kB

  • Original 237.6 kB
  • After minification 237.6 kB
  • After compression 236.5 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

-1%

Potential reduce by 702 B

  • Original 76.2 kB
  • After minification 76.1 kB
  • After compression 75.5 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. Octopus.energy has all CSS files already compressed.

Requests Breakdown

Number of requests can be reduced by 11 (14%)

Requests Now

80

After Optimization

69

The browser has sent 80 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Octopus. 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.

Accessibility Review

octopus.energy accessibility score

100

Accessibility Issues

Best Practices

octopus.energy best practices score

83

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

Browser errors were logged to the console

High

Missing source maps for large first-party JavaScript

SEO Factors

octopus.energy SEO score

86

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

Links are not crawlable

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 Octopus.energy 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 Octopus.energy 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 Octopus. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: