Website Carbon Calculator
SEO tools to rank higher on Google.
What does this tool do?
Estimate your website's CO2 emissions per visit, month and year with eco equivalences.
Key features
- Google-focused
- Schema generators
- Meta tag tools
- Site auditors
Estimate your website's CO2 emissions per visit, month and year with eco equivalences.
Website Carbon Calculator
Estimate the CO2 footprint of your website per visit, month and year.
Check any page weight with your browser dev tools (Network tab) or an online page-size checker.
Frequently Asked Questions
How is website CO2 estimated?
This tool uses the widely cited baseline of 0.36 grams of CO2 per page view for an average ~2 MB page, scaled linearly by your page weight, following the Sustainable Web Design model.
How accurate is the carbon estimate?
It is an estimate, not a measurement. Real emissions depend on hosting energy mix, data transfer networks and visitor devices, but the model gives a useful comparison.
How can I reduce my website's carbon footprint?
Compress images, use modern formats like WebP, remove unused scripts and fonts, enable caching, and choose a host powered by renewable energy.
Is this website carbon calculator free?
Yes, free with no signup, calculated instantly in your browser.
How to Use Website Carbon Calculator
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