Edge-first A/B testing
without complexity
Divisor is an open-source platform for A/B testing and feature flags, designed to run at the edge with minimal cost and massive scale.
Edge-native
Decisions happen at the edge using deterministic hashing. No backend bottlenecks, no latency penalties.
Stateless by design
Sticky sessions without sessions. No user storage, no cookies required, no sync issues.
Minimal cost
Built to scale to millions of users using Redis and edge functions — without expensive infra.
How Divisor works
Create a test
Define your test, variants and traffic split using the Divisor dashboard.
Fetch at the edge
The SDK requests the active test configuration directly from an edge function.
Deterministic split
Users are assigned to variants using a deterministic hash — always consistent.
Scale infinitely
No sessions, no per-user storage. Just math, cache and edge infrastructure.
Open source by default
Divisor is fully open source. Self-host it, fork it, or build on top of it. No vendor lock-in.