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Google Analytics
Best for: Enterprise web analytics
Free
Google Analytics is the most widely used web analytics service. It tracks website traffic, user behavior, and conversions — but raises significant privacy concerns.
- Most widely used web analytics service
- It tracks website traffic, user behavior, and conversions
- Free tier available
Free tier: Listed as free — verify limitsPricing: Free / $150K+/yr Analytics 360
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Plausible Analytics
Best for: Privacy-first analytics
Top PickOpen SourceBest Value
Plausible is a lightweight, open-source web analytics tool that doesn't use cookies and is fully GDPR compliant. No personal data is collected.
- Cookie-free tracking — fully GDPR compliant by default
- Lightweight script (under 1KB) — no impact on page speed
- Public dashboard option for transparency
Free tier: Check providerPricing: $9/mo (10K pageviews) / $18/mo (100K)
PO
PostHog
Best for: Product analytics for developers
FreeOpen SourceBest Value
PostHog is an open-source product analytics platform that combines event tracking, funnels, recordings, feature flags, and A/B tests in one tool.
- Session recordings + heatmaps to see exactly what users do
- Feature flags and A/B testing built into the same platform
- Self-host or cloud — generous 1M events/mo free tier
Free tier: Listed as free — verify limitsPricing: Free (1M events/mo) / Usage-based after
MI
Microsoft Clarity
Best for: Free unlimited heatmaps & session recordings
Free
Microsoft Clarity is a completely free behavior analytics tool with unlimited heatmaps, session recordings, and AI-powered insights. No data limits, no sampling, no paid tiers. Pairs well alongside Google Analytics.
- Completely free behavior analytics tool with unlimited heatmaps
- No data limits, no sampling, no paid tiers
- Pairs well alongside Google Analytics
Free tier: Listed as free — verify limitsPricing: Free (unlimited)