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The Madison Avenue Field GuideA field guide to marketing & advertising, by Brandon Mina

GlossaryMeasurement & AttributionSplit URL Testing

Measurement & Attribution

Split URL Testing

An A/B test that sends visitors to entirely separate URLs for each variant, suited to testing major page redesigns.

By Brandon MinaCEO, BrandPilot AIUpdated November 2026

Short answer

Split URL testing is a type of A/B test that sends visitors to entirely separate URLs for each variant rather than changing elements on a single page. It is suited to testing major redesigns, new page templates or different checkout flows, where building the change as a separate page is simpler than modifying the original.