Tools & Wizards About Us
first-utility.com screenshot

Report Summary

  • 34

    Performance

    Renders faster than
    54% of other websites

  • 80

    Accessibility

    Visual factors better than
    that of 50% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    56% of websites

  • 97

    SEO

    Google-friendlier than
    91% of websites

first-utility.com

Welcome to Shell Energy | Home Utilities Supplier

Page Load Speed

2.5 sec in total

First Response

954 ms

Resources Loaded

1.5 sec

Page Rendered

84 ms

first-utility.com screenshot

About Website

Visit first-utility.com now to see the best up-to-date First Utility content for United Kingdom and also check out these interesting facts you probably never knew about first-utility.com

100% renewable electricity at no extra cost, exclusive rewards, fuel savings and smart home technology. Because home energy matters.

Visit first-utility.com

Key Findings

We analyzed First-utility.com page load time and found that the first response time was 954 ms and then it took 1.6 sec to load all DOM resources and completely render a web page. This is quite a good result, as only 30% of websites can load faster.

Performance Metrics

first-utility.com performance score

34

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value3.7 s

28/100

10%

LCP (Largest Contentful Paint)

Value7.7 s

3/100

25%

SI (Speed Index)

Value6.1 s

45/100

10%

TBT (Total Blocking Time)

Value1,150 ms

22/100

30%

CLS (Cumulative Layout Shift)

Value0.063

97/100

15%

TTI (Time to Interactive)

Value7.6 s

46/100

10%

Network Requests Diagram

www.first-utility.com

954 ms

style.css

155 ms

image-carousel.css

149 ms

jquery-1.8.1.min.js

173 ms

modernizr.min.js

249 ms

Our browser made a total of 15 requests to load all elements on the main page. We found that 53% of them (8 requests) were addressed to the original First-utility.com, 40% (6 requests) were made to Cdn.first-utility.com and 7% (1 request) were made to Googleadservices.com. The less responsive or slowest element that took the longest time to load (954 ms) belongs to the original domain First-utility.com.

Page Optimization Overview & Recommendations

Page size can be reduced by 390.8 kB (79%)

Content Size

493.1 kB

After Optimization

102.3 kB

  • HTML
  • JavaScript
  • CSS

In fact, the total size of First-utility.com main page is 493.1 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. 20% of websites need less resources to load. CSS take 246.1 kB which makes up the majority of the site volume.

HTML Optimization

-72%

Potential reduce by 2.5 kB

  • Original 3.5 kB
  • After minification 2.9 kB
  • After compression 978 B

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 559 B, which is 16% 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 2.5 kB or 72% of the original size.

JavaScript Optimization

-75%

Potential reduce by 182.7 kB

  • Original 243.5 kB
  • After minification 184.4 kB
  • After compression 60.8 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 182.7 kB or 75% of the original size.

CSS Optimization

-84%

Potential reduce by 205.6 kB

  • Original 246.1 kB
  • After minification 240.9 kB
  • After compression 40.5 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. First-utility.com needs all CSS files to be minified and compressed as it can save up to 205.6 kB or 84% of the original size.

Requests Breakdown

Number of requests can be reduced by 10 (71%)

Requests Now

14

After Optimization

4

  • JavaScript
  • CSS

The browser has sent 14 CSS, Javascripts, AJAX and image requests in order to completely render the main page of First Utility. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 11 to 1 for JavaScripts and as a result speed up the page load time.

Network Requests Diagram

www.first-utility.com

www.first-utility.com

954 ms

style.css

style.css

155 ms

image-carousel.css

image-carousel.css

149 ms

jquery-1.8.1.min.js

jquery-1.8.1.min.js

173 ms

modernizr.min.js

modernizr.min.js

249 ms

FU.js

FU.js

270 ms

global.js

global.js

269 ms

navigation.js

navigation.js

267 ms

plugins.js

plugins.js

271 ms

jquery.zend.jsonrpc.js

jquery.zend.jsonrpc.js

144 ms

jquery.flexslider-min.js

jquery.flexslider-min.js

145 ms

image-carousel.js

image-carousel.js

145 ms

conversion.js

conversion.js

32 ms

jquery.yiiactiveform.js

jquery.yiiactiveform.js

268 ms

print.css

print.css

23 ms

Accessibility Review

first-utility.com accessibility score

80

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[role]s are not contained by their required parent element

High

[role] values are not valid

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.

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

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Some elements have a [tabindex] value greater than 0

Best Practices

first-utility.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

Missing source maps for large first-party JavaScript

SEO Factors

first-utility.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

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise First-utility.com can be misinterpreted by Google and other search engines. Our service has detected that English is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that First-utility.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

first-utility.com

Open Graph description is not detected on the main page of First Utility. 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: