Climate UX
Digital Carbon API
Audit any website for its digital carbon footprint — from your code, your AI agent, or the command line.
OUR STATs
Websites audited
564+
Average CO2 per page view
11.35g
Green Hosting adoption
39.2%
What you get
Every audit returns a sustainability score (0–100, grade A–F) and CO2 emissions per page view in grams — benchmarked against 564 real websites.
Carbon Score
Verified against Green Web Foundation data. We detect 10+ platforms including Google Cloud, Netlify, Vercel, Shopify, and Wix.
Green Hosting Check
Not just a score — specific issues ranked by impact, with implementation steps your dev team can act on immediately.
Actionable Recommendations
How it works
POST your email to get a free API key. 10 audits/month, no credit card, no expiry.
Step 1 Register
POST any URL. We run a full Playwright browser audit + Google Lighthouse + Green Web Foundation check. Results in ~45 seconds.
Step 2 Audit
Use the REST API in your code, connect Claude via MCP, use directly in ChatGPT, or pull benchmark data for reports and pitches.
Step 3 Integrate
Built for AI agents
The Climate UX API is designed to be called by AI. Connect it to Claude via our MCP server and ask questions like "What's the carbon footprint of patagonia.com?" or "Compare the sustainability of our top 5 competitors."
Also available in ChatGPT:
The ClimateUX Carbon Auditor is live in the ChatGPT store. Ask it to audit any website, compare against benchmarks, or
explain your digital carbon footprint — no setup, no API key needed.
Climate UX
Digital Carbon API
Audit any website for its digital carbon footprint — from your code, your AI agent, or the command line.
Ready to measure
your digital footprint?
Free tier: 10 audits/month. Need more? Email info@climateux.net.