3.8 sec in total
185 ms
3.1 sec
446 ms
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Visit ovoenergy.comWe analyzed Ovoenergy.com page load time and found that the first response time was 185 ms and then it took 3.6 sec to load all DOM resources and completely render a web page. This is a poor result, as 60% of websites can load faster.
ovoenergy.com performance score
name
value
score
weighting
Value4.2 s
19/100
10%
Value7.8 s
3/100
25%
Value8.7 s
16/100
10%
Value7,270 ms
0/100
30%
Value0.052
99/100
15%
Value12.9 s
13/100
10%
185 ms
439 ms
65 ms
75 ms
516 ms
Our browser made a total of 57 requests to load all elements on the main page. We found that 21% of them (12 requests) were addressed to the original Ovoenergy.com, 26% (15 requests) were made to S3-eu-west-1.amazonaws.com and 5% (3 requests) were made to Google-analytics.com. The less responsive or slowest element that took the longest time to load (1.5 sec) relates to the external source S3-eu-west-1.amazonaws.com.
Page size can be reduced by 620.6 kB (63%)
978.2 kB
357.6 kB
In fact, the total size of Ovoenergy.com main page is 978.2 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. 40% of websites need less resources to load. Javascripts take 497.2 kB which makes up the majority of the site volume.
Potential reduce by 47.5 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. This page needs HTML code to be minified as it can gain 10.3 kB, which is 17% 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 47.5 kB or 78% of the original size.
Potential reduce by 1.8 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. OVO Energy images are well optimized though.
Potential reduce by 273.7 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 273.7 kB or 55% of the original size.
Potential reduce by 297.6 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. Ovoenergy.com needs all CSS files to be minified and compressed as it can save up to 297.6 kB or 86% of the original size.
Number of requests can be reduced by 23 (50%)
46
23
The browser has sent 46 CSS, Javascripts, AJAX and image requests in order to completely render the main page of OVO 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 21 to 1 for JavaScripts and from 4 to 1 for CSS and as a result speed up the page load time.
www.ovoenergy.com
185 ms
www.ovoenergy.com
439 ms
css
65 ms
css
75 ms
js-cms.min.css
516 ms
new-relic.js
365 ms
js-cms.min.js
571 ms
icons.css
396 ms
3497230075.js
309 ms
ckeditor.update.js
115 ms
highlight.min.js
42 ms
tp.widget.sync.bootstrap.min.js
56 ms
mixpanel-2-latest.min.js
175 ms
gtm.js
158 ms
header-bg-spring.jpg
123 ms
small_01.png
198 ms
section-bg-spring.jpg
611 ms
logo-gray.png
143 ms
small_02.png
232 ms
small_03.png
609 ms
small_04.png
608 ms
animatix_piggy_003.svg
333 ms
animatix_call_center_003.svg
489 ms
home_anim005-2.svg
416 ms
animatix_laptop_005.svg
655 ms
ovowebsitessuite%3Asimplecontent
643 ms
tp.widget.bootstrap.min.js
52 ms
iframe_api
149 ms
VAGRoundedW01Light.woff
186 ms
VAGRoundedW01Thin.woff
124 ms
VAGRoundedW01Bold.woff
443 ms
VAGRoundedW01Black.woff
346 ms
icons.woff
1531 ms
Antonio-Regular.woff
1093 ms
Antonio-Light.woff
1134 ms
Antonio-Bold.woff
1134 ms
124 ms
135 ms
analytics.js
163 ms
conversion_async.js
159 ms
pixel
200 ms
bat.js
157 ms
fbevents.js
113 ms
ovoenergy.js
1178 ms
tfa.js
137 ms
activityi;src=4515092;type=Visit0;cat=allpage;ord=7197792573925;~oref=https%3A%2F%2Fwww.ovoenergy.com%2F
146 ms
activityi;src=4515092;type=Conve00;cat=ovoen005;ord=1;num=2168382547959;~oref=https%3A%2F%2Fwww.ovoenergy.com%2F
181 ms
7214.js
165 ms
www-widgetapi.js
210 ms
434 ms
linkid.js
46 ms
collect
286 ms
collect
886 ms
617 ms
ga-audiences
23 ms
piwik.js
169 ms
B8474828.114769808;sz=1x2;ord=[timestamp];dc_lat=;dc_rdid=;tag_for_child_directed_treatment=
166 ms
ovoenergy.com accessibility score
Contrast
These are opportunities to improve the legibility of your content.
Impact
Issue
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
Image elements do not have [alt] attributes
Tables and lists
These are opportunities to improve the experience of reading tabular or list data using assistive technology, like a screen reader.
Impact
Issue
Lists do not contain only <li> elements and script supporting elements (<script> and <template>).
ovoenergy.com best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
General
Impact
Issue
Detected JavaScript libraries
ovoenergy.com SEO score
Content Best Practices
Format your HTML in a way that enables crawlers to better understand your app’s content.
Impact
Issue
Image elements do not have [alt] attributes
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
EN
EN
UTF-8
Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Ovoenergy.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 Ovoenergy.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.
ovoenergy.com
Open Graph description is not detected on the main page of OVO 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: