A/B testing you can trust on modest traffic

Flags, assignment and statistics set up properly, so you stop calling winners from a fifty-visitor sample.

€1,600–€3,000 guide price5-9

What you get

Feature flag and experiment assignment without layout flicker
Sample size calculator tuned to your traffic and baseline rates
Results readout with confidence intervals rather than a green tick
Experiment log recording every test, decision and outcome

Usually built with

PostHog

Next.js

Edge Middleware

TypeScript

A guide, not a requirement — sellers propose what suits your situation.

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