Live tool/tool/ab-test-readiness-estimator
A/B Test Readiness Estimator
Estimate sample size, test length, and minimum detectable lift before you launch a thin experiment.
BusinessAnalyticsMarketing
Inputs
Check whether the test is worth running.
Visitors needed
21,867
Per variant
10,934
Expected variant rate
6.9%
Estimated test length
0.9 weeks
Expected conversions / variant
656
Interpretation
This test looks workable. You need roughly 10,934 visitors per variant before reading the outcome.