Tools & Wizards About Us

Report Summary

  • 22

    Performance

    Renders faster than
    40% of other websites

  • 82

    Accessibility

    Visual factors better than
    that of 52% of websites

  • 83

    Best Practices

    More advanced features
    available than in
    55% of websites

  • 69

    SEO

    Google-friendlier than
    28% of websites

dongenergy.co.uk

Orsted.co.uk - Love your home

Page Load Speed

8.7 sec in total

First Response

2.4 sec

Resources Loaded

6.1 sec

Page Rendered

216 ms

About Website

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

The world’s most sustainable energy developer, providing global green energy solutions including offshore and onshore wind, solar and storage. Learn more.

Visit dongenergy.co.uk

Key Findings

We analyzed Dongenergy.co.uk page load time and found that the first response time was 2.4 sec and then it took 6.3 sec to load all DOM resources and completely render a web page. This is a poor result, as 80% of websites can load faster.

Performance Metrics

dongenergy.co.uk performance score

22

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value5.0 s

9/100

10%

LCP (Largest Contentful Paint)

Value17.8 s

0/100

25%

SI (Speed Index)

Value11.5 s

5/100

10%

TBT (Total Blocking Time)

Value1,340 ms

17/100

30%

CLS (Cumulative Layout Shift)

Value0

100/100

15%

TTI (Time to Interactive)

Value18.2 s

3/100

10%

Network Requests Diagram

www.dongenergy.co.uk

2362 ms

corev15.css

652 ms

pagelayouts15.css

262 ms

searchv15.css

438 ms

controls15.css

459 ms

Our browser made a total of 65 requests to load all elements on the main page. We found that 85% of them (55 requests) were addressed to the original Dongenergy.co.uk, 5% (3 requests) were made to Sdc.dongenergy.com and 2% (1 request) were made to D2sl310zdnr3q6.cloudfront.net. The less responsive or slowest element that took the longest time to load (2.4 sec) belongs to the original domain Dongenergy.co.uk.

Page Optimization Overview & Recommendations

Page size can be reduced by 2.0 MB (74%)

Content Size

2.7 MB

After Optimization

690.9 kB

  • HTML
  • Images
  • JavaScript
  • CSS

In fact, the total size of Dongenergy.co.uk main page is 2.7 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. 25% of websites need less resources to load. Javascripts take 1.8 MB which makes up the majority of the site volume.

HTML Optimization

-82%

Potential reduce by 124.3 kB

  • Original 151.4 kB
  • After minification 130.8 kB
  • After compression 27.1 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. This page needs HTML code to be minified as it can gain 20.7 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 124.3 kB or 82% of the original size.

Image Optimization

-14%

Potential reduce by 13.8 kB

  • Original 96.4 kB
  • After minification 82.6 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. Obviously, Dongenergy needs image optimization as it can save up to 13.8 kB or 14% of the original volume. The most popular and efficient tools for JPEG and PNG image optimization are Jpegoptim and PNG Crush.

JavaScript Optimization

-73%

Potential reduce by 1.3 MB

  • Original 1.8 MB
  • After minification 1.8 MB
  • After compression 496.9 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 1.3 MB or 73% of the original size.

CSS Optimization

-86%

Potential reduce by 525.9 kB

  • Original 610.2 kB
  • After minification 495.2 kB
  • After compression 84.3 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. Dongenergy.co.uk needs all CSS files to be minified and compressed as it can save up to 525.9 kB or 86% of the original size.

Requests Breakdown

Number of requests can be reduced by 57 (93%)

Requests Now

61

After Optimization

4

  • AJAX
  • Images
  • JavaScript
  • CSS

The browser has sent 61 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Dongenergy. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 39 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.

Network Requests Diagram

Accessibility Review

dongenergy.co.uk accessibility score

82

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

[aria-*] attributes do not match their roles

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

Image elements do not have [alt] attributes

High

Links do not have a discernible name

Best Practices

dongenergy.co.uk 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

dongenergy.co.uk SEO score

69

Search Engine Optimization Advices

Crawling and Indexing

To appear in search results, crawlers need access to your app.

Impact

Issue

High

Links are not crawlable

Content Best Practices

Format your HTML in a way that enables crawlers to better understand your app’s content.

Impact

Issue

High

Image elements do not have [alt] attributes

High

Document doesn't have a valid hreflang

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 Dongenergy.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 Dongenergy.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 Dongenergy. 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: