4.9 sec in total
434 ms
3.7 sec
767 ms
Welcome to nef.org.uk homepage info - get ready to check Nef best content for United Kingdom right away, or after learning these important things about nef.org.uk
We're a charity for everyone. No matter what your circumstances are, the National Energy Foundation can help you understand and improve your use of domestic energy.
Visit nef.org.ukWe analyzed Nef.org.uk page load time and found that the first response time was 434 ms and then it took 4.5 sec to load all DOM resources and completely render a web page. This is a poor result, as 70% of websites can load faster.
nef.org.uk performance score
name
value
score
weighting
Value6.2 s
3/100
10%
Value8.8 s
1/100
25%
Value10.1 s
9/100
10%
Value1,450 ms
15/100
30%
Value0.007
100/100
15%
Value15.3 s
7/100
10%
434 ms
110 ms
196 ms
244 ms
249 ms
Our browser made a total of 84 requests to load all elements on the main page. We found that 83% of them (70 requests) were addressed to the original Nef.org.uk, 11% (9 requests) were made to Fonts.gstatic.com and 1% (1 request) were made to Fonts.googleapis.com. The less responsive or slowest element that took the longest time to load (787 ms) belongs to the original domain Nef.org.uk.
Page size can be reduced by 172.3 kB (14%)
1.2 MB
1.0 MB
In fact, the total size of Nef.org.uk main page is 1.2 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. 60% of websites need less resources to load. Images take 621.0 kB which makes up the majority of the site volume.
Potential reduce by 148.0 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 148.0 kB or 85% of the original size.
Potential reduce by 19.9 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. Nef images are well optimized though.
Potential reduce by 574 B
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.
Potential reduce by 3.8 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. Nef.org.uk has all CSS files already compressed.
Number of requests can be reduced by 50 (70%)
71
21
The browser has sent 71 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Nef. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 27 to 1 for JavaScripts and from 25 to 1 for CSS and as a result speed up the page load time.
nef.org.uk
434 ms
give.css
110 ms
give-donation-summary.css
196 ms
give-gift-aid-frontend.min.css
244 ms
give-recurring.min.css
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style.css
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app.css
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style.min.css
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theme.min.css
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header-footer.min.css
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elementor-icons.min.css
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swiper.min.css
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gdpr-main-nf.css
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css
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fontawesome.min.css
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brands.min.css
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jquery.min.js
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jquery-migrate.min.js
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give-stripe.js
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wp-polyfill-inert.min.js
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regenerator-runtime.min.js
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wp-polyfill.min.js
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hooks.min.js
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i18n.min.js
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give.js
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give-gift-aid-frontend.min.js
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give-recurring.min.js
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solid.min.css
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post-910.css
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animations.min.css
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dynamic-conditions-public.js
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give-donation-summary.js
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app.js
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main.js
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jquery.smartmenus.min.js
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webpack-pro.runtime.min.js
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webpack.runtime.min.js
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frontend-modules.min.js
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frontend.min.js
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waypoints.min.js
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core.min.js
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elements-handlers.min.js
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jquery.sticky.min.js
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nef.org.uk
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Logo_Red_White.svg
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burger-menu.svg
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home-background.png
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communities.jpg
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home-case-study-background.webp
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graces-story.jpg
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domestic-energy.jpg
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energy-leaders-v2.jpg
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pw-help.svg
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pw-ee.svg
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bsi-iso-9001-logo.svg
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cyber-essentials.svg
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close-menu-icon.svg
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Logo_Red_Dark.svg
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Group-3510-v2.jpg
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JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCu173w5aX8.ttf
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JTUHjIg1_i6t8kCHKm4532VJOt5-QNFgpCtr6Xw5aX8.ttf
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fa-brands-400.woff
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fa-solid-900.woff
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bah1dldjqoyy2sig67r6gdtu5onvabzq.js
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render.ab0ffde36be6aa7a153d.js
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nef.org.uk 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.
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
ARIA IDs are not unique
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
nef.org.uk 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
nef.org.uk SEO score
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 Nef.org.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 Nef.org.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.
nef.org.uk
Open Graph data is detected on the main page of Nef. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: