Stack · Analytics
Next.js + PostHog.
Next.js + PostHog gives you product analytics, session replay, feature flags, and experiments — open-source and fairly priced.
CategoryAnalytics
Best forProduct analytics
Why together · 01
Why this combo works.
posthog-js with the official Next.js wrapper. Server-side captures via posthog-node. Feature flags work both client and server.
Setup
Install posthog-js + posthog-node, identify users in client, capture server-side events.
Gotchas
- Privacy and cookie banner integration matters
- Cardinality control is essential — don't send unbounded properties
- Feature flag updates need cache strategy
- EU data residency option exists
Building this stack?
We've shipped it.
Default analytics. If you're going to ship on this stack, brief us. We can save you a few weeks of gotchas.
Brief us