Tools / Site Analysis
Website Carbon Calculator
Estimate a page's transfer size and CO2 per view, and check for green hosting
The lookup is made by our server against public DNS; only the domain/IP you enter is used.
About this tool
Estimate how much data a page transfers and what that means in CO2 per view, using the Sustainable Web Design model. It also checks the Green Web Foundation dataset for green hosting. The figure is a modelled lower bound, not a measurement of your servers.