Website Carbon

Estimated CO₂ emissions per page view and page weight

Free Online Tool

Website Carbon — Complete Guide & Instructions

Estimate how much CO₂ a page emits per view — measures HTML weight, counts external assets, and applies the standard energy-per-gigabyte model with a percentile comparison against the median web page.

How to Use Website Carbon

  1. 1 Enter a page URL.
  2. 2 Click Check.
  3. 3 See grams of CO₂ per view and the weight breakdown.

Key Features & Capabilities

  • Grams of CO₂ per view and per 10,000 views.
  • HTML and estimated asset weight.
  • Comparison vs the median web page.