Back to Free ToolsCarbon
Carbon
Footprint
Estimate how heavy your website is and what that means for speed, energy use and customer experience.
Lighter pages usually load faster, feel better on mobile and waste less data. This check gives you a practical starting point before a deeper performance review.
Build a faster, greener websiteWhat We Analyse
Rating
Carbon Grade
CO2
Emissions
Data
Page Weight
Energy
Per Visit
Speed
Performance
Host
Green Check
Run Carbon Check
Enter your website URL to calculate its environmental impact.
Why Website Carbon Matters
For the Planet
Data centres consume about 1% of global electricity. Every unnecessary byte your site sends contributes to carbon emissions. Optimising your site is a genuine environmental action.
For Your Business
Smaller images, less code and suitable hosting can make your website quicker and easier to use.