4.7 sec in total
720 ms
3.5 sec
521 ms
Click here to check amazing The Carbon Trust content. Otherwise, check out these important facts you probably never knew about thecarbontrust.co.uk
The Carbon Trust is an expert partner for businesses, governments and organisations around the world – helping them decarbonise and accelerate to Net Zero.
Visit thecarbontrust.co.ukWe analyzed Thecarbontrust.co.uk page load time and found that the first response time was 720 ms and then it took 4 sec to load all DOM resources and completely render a web page. This is a poor result, as 65% of websites can load faster.
thecarbontrust.co.uk performance score
name
value
score
weighting
Value5.4 s
6/100
10%
Value17.6 s
0/100
25%
Value11.3 s
5/100
10%
Value18,140 ms
0/100
30%
Value0.007
100/100
15%
Value33.0 s
0/100
10%
720 ms
32 ms
360 ms
795 ms
402 ms
Our browser made a total of 36 requests to load all elements on the main page. We found that 0% of them (0 request) were addressed to the original Thecarbontrust.co.uk, 39% (14 requests) were made to Carbontrust.com and 6% (2 requests) were made to Consent.cookiebot.com. The less responsive or slowest element that took the longest time to load (2.1 sec) relates to the external source Ctprodstorageaccountp.blob.core.windows.net.
Page size can be reduced by 581.7 kB (20%)
2.9 MB
2.3 MB
In fact, the total size of Thecarbontrust.co.uk main page is 2.9 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 2.3 MB which makes up the majority of the site volume.
Potential reduce by 227.5 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 227.5 kB or 88% of the original size.
Potential reduce by 104.5 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. The Carbon Trust images are well optimized though.
Potential reduce by 89.9 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 89.9 kB or 77% of the original size.
Potential reduce by 159.9 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. Thecarbontrust.co.uk needs all CSS files to be minified and compressed as it can save up to 159.9 kB or 85% of the original size.
Number of requests can be reduced by 4 (13%)
31
27
The browser has sent 31 CSS, Javascripts, AJAX and image requests in order to completely render the main page of The Carbon Trust. We recommend that multiple CSS and JavaScript files should be merged into one by each type, as it can help reduce assets requests from 5 to 1 for JavaScripts and as a result speed up the page load time.
www.carbontrust.com
720 ms
uc.js
32 ms
css_iD6ty9cuP5QD_QYoM9KPOYHBia0Tu3wOHL2yfKLVHr4.css
360 ms
css_opMLJsHWwKaKYCsjxD7vjrBbNlyQv78ynIx_qCK9Cdg.css
795 ms
js_TS5WT1TJl3BrorqUONQjVEPRaFvRb5BxpEI5jQoycEE.js
402 ms
configuration.js
169 ms
cc.js
188 ms
svg-sprite.svg
962 ms
logo.svg
571 ms
svg-sprite.svg
567 ms
globe.png
940 ms
Jiahui_Yu_Cutout_BW-high-crop.png
860 ms
global-background_3_0.jpg
853 ms
johannesburg-skyline-banner.jpg
803 ms
Mexico-coastline-blue-banner.jpg
852 ms
bejing-skyline-banner.jpg
860 ms
amsterdam-canal-blue-banner_0.jpg
876 ms
quorn-foods-logo.png
874 ms
Polythene_UK_Logo.jpg
875 ms
river-city-view.png
2122 ms
bc-v4.min.html
118 ms
label-checking.JPG
497 ms
engineers-1.jpg
499 ms
controlled-agriculture.jpg
496 ms
engineer-high-1.jpg
498 ms
trucks-logistics.jpg
499 ms
css2
56 ms
homepage-banner-graphic.svg
177 ms
blue-arrow.svg
172 ms
image-banner-background.png
203 ms
white-arrow.svg
174 ms
person-banner-background.png
202 ms
KFOmCnqEu92Fr1Me5Q.ttf
41 ms
KFOlCnqEu92Fr1MmWUlvAw.ttf
53 ms
ABCFavorit-Bold-Trial.otf
91 ms
js_TS5WT1TJl3BrorqUONQjVEPRaFvRb5BxpEI5jQoycEE.js
91 ms
thecarbontrust.co.uk 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
Buttons do not have an accessible name
Links do not have a discernible name
Navigation
These are opportunities to improve keyboard navigation in your application.
Impact
Issue
Heading elements are not in a sequentially-descending order
thecarbontrust.co.uk best practices score
Trust and Safety
Impact
Issue
Does not use HTTPS
Ensure CSP is effective against XSS attacks
User Experience
Impact
Issue
Serves images with low resolution
General
Impact
Issue
Detected JavaScript libraries
Browser errors were logged to the console
Missing source maps for large first-party JavaScript
thecarbontrust.co.uk SEO score
Crawling and Indexing
To appear in search results, crawlers need access to your app.
Impact
Issue
Links are not crawlable
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 Thecarbontrust.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 Thecarbontrust.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.
thecarbontrust.co.uk
Open Graph description is not detected on the main page of The Carbon Trust. 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: