CO2Stats

How much carbon does a web page cost?

CO2Stats loads a page in a real browser, weighs everything it downloads and turns that into an estimate of the carbon each visit causes, using a published method.

Check a web page

Results are public: anyone with a result’s link can see it, so don’t check private pages or links that carry a password or token.

One page, one load, in a real browser. Results are estimates: how it works.

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