# DataFast (datafa.st)

Revenue-first web analytics by Marc Lou that links referral sources, landing pages, and keywords directly to Stripe revenue per visitor.

- Site: https://datafa.st/
- Outbound link: https://seventhfeed.com/go/datafa.st
- Categories: ads-conversion, seo-geo
- Pricing: freemium; free: 14-day free trial; from $9/mo
- Agent-ready: llms.txt yes; MCP registry no; public API yes
- Revenue: $30K last 30 days (TrustMRR, 2026-11-11)
- First seen: 2026-11-11; site checked 2026-11-11

Page: https://seventhfeed.com/tools/datafa.st