Feature flags

Roll out features safely. Toggle features for cohorts or individuals to test the impact before rolling out to everyone.

Deliver features safely

Deploy updates behind a feature flag to test it with increasing numbers of users, then rollback easily if there’s an issue.

Multivariate testing

Breakdown our analytics by feature flag variant to understand the impact on performance.

Target on users’ properties, or their behavior

Test changes based on criteria like plan, geography or LTV, or users’ previous behavior.

Feature flags tutorials

“We use feature flags to issue changes to 50% of users and then compare the effect. Experiment, find results, decide where to focus and then iterate.”
Joe SaundersonSoftware Engineer, Mention Me

Feature flags documentation

Try it free.

Install on your own server or Cloud hosting account, or just try PostHog Cloud and start tracking data in under 5 minutes.