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The A/B Test Library

Real experiments. Real outcomes. Actionable patterns. Browse A/B tests with problem-to-solution framing, results, and recommendations for what to test next.

4 experiments
Winners, losers & inconclusive
Full statistical details
inconclusive

Shopping cart: What It's Worth

Context: How prices are displayed on the shopping cart directly influences perceived value and willingness to buy.

PricingCross-Industry
inconclusive

Shopping cart: Free Shipping

Context: Friction during the shopping cart process causes users to abandon right when they're closest to converting.

PricingCross-Industry
inconclusive+30.0%

Cart: Express Checkout Button on Smart Cart

Context: The primary call-to-action on the cart isn't converting at its potential — design, copy, or placement may be the bottleneck.

FormE-commerce
inconclusive+6.0%

Cart: RevZilla Mobile Cart: Product Summary Test Increases Mobile Conversion 6.01%

Context: Mobile users experience the cart differently — smaller screens, touch targets, and limited attention require purpose-built design.

LayoutE-commerce

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