Open-source product analytics with session replay, feature flags, and A/B testing — all in one self-hostable suite.
What is PostHog?#
PostHog is an open-source product analytics platform that combines event tracking, session replay, feature flags, A/B testing, and product surveys in a single self-hostable suite. It is built for engineering and product teams that want full data ownership without managing multiple tools.
What can PostHog do?#
- 01
Product Analytics
Track user events, build funnels, retention curves, and user paths to understand how people use your product.
- 02
Session Replay
Watch recorded user sessions with click maps and rage-click detection to diagnose UX issues from real usage data.
- 03
Feature Flags
Roll out features to specific user segments with percentage-based or property-based targeting and local evaluation for zero-latency reads.
- 04
A/B Testing and Experiments
Run multivariate experiments with built-in statistical significance tracking to validate product changes before full release.
- 05
Open Source and Self-Hostable
Deploy PostHog on your own infrastructure for complete data control, or use the managed cloud with 1M free events per month.
Use Cases#
- Product teams — Set up funnels and retention analysis on real user behavior data to identify where users drop off during a new onboarding flow.
- Engineering teams — Use feature flags to ship changes progressively and roll back instantly without a full deployment cycle.
Quick facts about PostHog#
- Pricing
- Free$0/moProContact salesas of Jun 20, 2026View official pricing
- Platforms
- Web·API
Frequently Asked Questions#
PostHog Traffic Analysis
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