TOOLS / ECO-IMPACT

Website eco-impact estimator

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Website eco-impact estimator

Answer a few questions: we estimate your website carbon footprint and suggest concrete improvements. Everything is computed in your browser — nothing is sent to a server.

Your typical page
Your audience
Your technical choices
Green hosting? Data centre powered by renewable / low-carbon energy.
Optimised images? Modern formats (WebP/AVIF), right size, compression.
Heavy autoplay videos? Background or banner video that starts on its own at load.
Many third-party scripts? Analytics, ads, chat, social widgets, A/B testing…
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Grade —
Per visit — g CO2e / visit
Monthly total — kg CO2e / month

Ways to improve

    To go further on the legal frame, standards and digital sobriety: Frame & standards

    Indicative estimate — a simple model based on transferred weight (~0.4 g CO2e/MB) adjusted by your answers. For a rigorous measurement, use a real page-analysis tool.