Google Analytics 4
PartialFree but learning-curve-heavy site analytics
GA4 succeeded Universal Analytics with an event-based model. Strengths: free + tight inte…
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One script tag. Optional first-party proxy lets you bypass ad blockers.
None.
N/A.
Data hosted in the EU; no cookies, no PII collection.
Free but learning-curve-heavy site analytics
GA4 succeeded Universal Analytics with an event-based model. Strengths: free + tight inte…
Product behavior analytics and funnels
Mixpanel turns user actions into events and supports funnels, retention, cohorts, and A/B…
Open-source full-stack product analytics
PostHog combines product analytics, feature flags, session replay, A/B testing, and surve…
Plausible is open-source, cookie-less, and ships a sub-1KB script. It is GDPR-friendly out of the box and removes the need for cookie banners.