Tools
Free interactive tools for experimentation practitioners. Connect your Optimizely account to unlock auto-verification and live data import.
Experiment QA Checklist
Pre-launch checklist with 27 validation items across 7 categories. Connect Optimizely to auto-verify experiment settings.
Traffic & Duration Estimator
Calculate required sample size and estimate how long your experiment needs to run. Import live traffic data from running experiments.
Experimentation Velocity Calculator
Find out how many A/B tests your team can realistically run per year. Enter traffic, conversion rate, and MDE to get your velocity benchmark.
Stats Method Picker
Not sure which Optimizely stats engine to use? Answer 5 questions and get a personalized recommendation.