SEO experiment planner and results comparator

Plan sample needs, compare valid experiments and keep before/after observations descriptive.

Enter a hypothesis and measurement assumptions

Units

Mode

Direction

αPowerBaseline %Absolute MDE in percentage pointsEligible weekly trafficPlanned duration (days)Variant count

Overall Evaluation Criterion (OEC)Guardrail metricsDiagnostic metricsPredefined segmentsRamp-up planStop or abort conditions

Runs entirely in this browser.

Statistical significance is not business importance, and observational SEO changes are not causal proof.

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Method

Plan sample needs, compare valid experiments and keep before/after observations descriptive.

Runs entirely in this browser.

Statistical significance is not business importance, and observational SEO changes are not causal proof.