3.9 sec in total
177 ms
3.4 sec
343 ms
Welcome to edfenergy.com homepage info - get ready to check EDF Energy best content for United Kingdom right away, or after learning these important things about edfenergy.com
EDF is an energy provider, supplying electricity and gas to homes and businesses in the UK. Compare our energy prices, get a quote and switch. Our electricity is zero carbon.
Visit edfenergy.comWe analyzed Edfenergy.com page load time and found that the first response time was 177 ms and then it took 3.8 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
edfenergy.com performance score
name
value
score
weighting
Value4.7 s
12/100
10%
Value5.9 s
14/100
25%
Value7.3 s
29/100
10%
Value1,920 ms
8/100
30%
Value0
100/100
15%
Value11.5 s
18/100
10%
177 ms
168 ms
621 ms
336 ms
366 ms
Our browser made a total of 65 requests to load all elements on the main page. We found that 62% of them (40 requests) were addressed to the original Edfenergy.com, 5% (3 requests) were made to Edfenergyuk.widget.custhelp.com and 5% (3 requests) were made to Rnengage.com. The less responsive or slowest element that took the longest time to load (1 sec) belongs to the original domain Edfenergy.com.
Page size can be reduced by 2.0 MB (58%)
3.4 MB
1.4 MB
In fact, the total size of Edfenergy.com main page is 3.4 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. 30% of websites need less resources to load. CSS take 1.6 MB which makes up the majority of the site volume.
Potential reduce by 69.5 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 69.5 kB or 81% of the original size.
Potential reduce by 56.5 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. EDF Energy images are well optimized though.
Potential reduce by 396.2 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 396.2 kB or 69% of the original size.
Potential reduce by 1.5 MB
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. Edfenergy.com needs all CSS files to be minified and compressed as it can save up to 1.5 MB or 90% of the original size.
Number of requests can be reduced by 40 (69%)
58
18
The browser has sent 58 CSS, Javascripts, AJAX and image requests in order to completely render the main page of EDF 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 25 to 1 for JavaScripts and from 8 to 1 for CSS and as a result speed up the page load time.
edfenergy.com
177 ms
www.edfenergy.com
168 ms
www.edfenergy.com
621 ms
nas.v1.min.js
336 ms
css_C887sY32GBX4jYGQgkJP1-aGh9eFUtdEKABdPIzVIKg.css
366 ms
css_e-8MMIy7Wtt6RrlLBe3rMlZmLd9Q0XEJd4jAiggHcdU.css
328 ms
css_Erpc5O9Fj6Fqpp1YJwGLuOi1ZGtQgBKzdMtZs-0xXlc.css
364 ms
css_LKhgjG7hA2-NlbFTBS5aKHn2jYpdiwBqL9ov_bV0v1I.css
250 ms
css_21RrS3YZAGX8QqXSM9uOR0Hqsqolu84aD6JW_HnJ27s.css
663 ms
modernizr.js
381 ms
matchMedia.js
331 ms
js_4XKGbWNEEpadLQ9CA9DlFIXgkHXhSteLG-DLQb0JkDo.js
642 ms
js_Mv85dyRT18ZeExHX6CbUSP3XmMOzbZZ7JaBhu_NkxM0.js
489 ms
js__h1NJgBV2s8v2rqKDLIzKdkD_qYkWktVraHKezFwnQg.js
336 ms
mmcore.js
46 ms
js_vm0K_gtHbLedYrg3egLj_8xw9Q7--OBA1SZz8bHbP2g.js
372 ms
js_PX2dfxY4oc4Eu3UqHRR_8AoFjoiGBlYZfC8T-Pp9Az8.js
679 ms
js_yEfgxBWlo2qLEO4Jg3WksOKDQoifnByLfxCwF4B3LSo.js
519 ms
track.js
536 ms
oct.js
133 ms
28c02b
87 ms
logo.png
283 ms
ico-s04f58e81d7.png
457 ms
Chevron_xs_white_right.png
283 ms
rgba-0-0-0-0_5.png
284 ms
q3-bpp-logo.png
283 ms
q3-bpf-logo.png
282 ms
q3-bfp-logo.png
432 ms
std-variable.png
503 ms
q3-customer-commitments.jpg
580 ms
q3-happy.jpg
506 ms
daisy.jpg
450 ms
stock-photo-man-using-mobile-smart-phone-outdoor-161227922_0.jpg
666 ms
q3-feetup-placeholder.jpg
699 ms
q3-zingy-computer.jpg
694 ms
contact_us_flip_0_0_0.jpg
741 ms
note-information.png
582 ms
28C02B_0_0.woff
818 ms
2a004a53-ac5c-43b3-9eeb-9f74ae4c1609.woff
783 ms
3fbbd6b1-cfa7-4ff0-97ea-af1b2c489f15.woff
863 ms
9aa32a81-1124-4c43-b3db-15bfb1f7aed2.woff
934 ms
tag.js
244 ms
px.gif
470 ms
ga.js
181 ms
adsct
235 ms
adsct
225 ms
fbds.js
431 ms
RightNow.Client.js
458 ms
q3-zingy-dancefloor-mob.jpg
844 ms
q3-zingy-dancefloor.jpg
1036 ms
.jsonp
96 ms
__utm.gif
35 ms
track
274 ms
117 ms
3171_71E90107_6FC7_48DB_B3F5_713D754C9B89.js
160 ms
1
681 ms
lqs.aspx
346 ms
3171.ct.js
767 ms
tpc.aspx
345 ms
f.js
679 ms
css_-CL4sUYLFfLBKM4LzGQPwiBF5G8mk4oZWGuLJKcQJ-I.css
158 ms
acs.js
52 ms
e.js
81 ms
KnowledgeSyndication.css
77 ms
r
37 ms
edfenergy.com accessibility score
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
Links do not have a discernible name
edfenergy.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Includes front-end JavaScript libraries with known security vulnerabilities
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
Page has valid source maps
edfenergy.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Links do not have descriptive text
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
Document uses legible font sizes
Tap targets are not sized appropriately
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Edfenergy.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 Edfenergy.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.
edfenergy.com
Open Graph description is not detected on the main page of EDF Energy. 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: