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PostHog

Product analytics for builders

Product analytics, feature flags, and session replay. Wire the SDK before launch, not after — you can't backfill events you never captured — and use session replay to see exactly where a confused user dropped off.

Best for

  • Product analytics
  • Feature flags
  • Session replay
  • Funnels + retention

How builders use it

  • Wire the client SDK before launch, not after; you cannot backfill events you never captured.
  • Ship a feature behind a flag first, watch the funnel, then decide whether to roll it out further.
  • Use session replay to see exactly where a confused user dropped off instead of guessing from a chart.

Related tools

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