# Measure what happened

> Web analytics, performance and search data, privacy-respecting where possible.

- [Google Analytics 4](https://find.do/t/google-analytics-4/) ◆ official — Google's free analytics with event-based goals and UTM attribution. (free; analytics.google.com)
- [Google Campaign URL Builder](https://find.do/t/utm-builder/) ◆ official — Builds UTM-tagged links so each channel is measurable. (free; ga-dev-tools.google)
- [Cloudflare Web Analytics](https://find.do/t/cloudflare-web-analytics/) — Free, privacy-first page analytics for any site, no cookies. (free; cloudflare.com)
- [Plausible Analytics](https://find.do/t/plausible/) — Lightweight, cookie-free web analytics. (paid; plausible.io)

Each tool page has a Markdown twin at its URL + `index.md`.