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1,100+ A/B Test Results & CRO Research

Evidence-based test ideas, research findings, and best practices — searchable and free.

1,186 results

Research Finding
Principle

Test Quality Peaks at 1–10 Annual Tests Per Engineer; Drops 87% After 30

testing_strategyany
High confidence
Test Idea
Winner

Video Testimonials + Subscription Table Above Fold → +6.7% Purchases

social_proofpricing
Expected lift: 5%-15%
High confidence
Test Idea
Winner

Distinct CTA Color + First Fold Placement → +101% Click-Through Rate

ctahomepage
Expected lift: 40%-120%
High confidence
Test Idea
Winner

Mobile Homepage Redesign: Value Prop + Pricing in Hero + FAQ → +42% Sign-ups

layouthomepage
Expected lift: 25%-55%
High confidence
Test Idea
Winner

Full Homepage Redesign (Split URL) → +49% Visitor-to-Trial Conversion

layouthomepage
Expected lift: 30%-60%
High confidence
Research Finding
Principle

Commonly Used Metrics Are Poor Predictors of Business Impact

measurementany
High confidence

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