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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.

38 experiments
Winners, losers & inconclusive
Full statistical details
inconclusive+37.5%

Login page: Bombas: Sock Brand Login and Account Engagement Optimisation

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

FormE-commerce
inconclusive

Product: Required Field Labels

Context: The registration experience on the product asks too much too soon, causing potential users to drop off.

FormCross-Industry
inconclusive

Signup: Optional Field Labels

Context: The registration experience on the signup asks too much too soon, causing potential users to drop off.

FormCross-Industry
inconclusive

Checkout: Field Explanations

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

FormCross-Industry
inconclusive

Checkout: Single Or Double Column Form Fields

Context: Each additional form field adds friction to the checkout, increasing the chance users abandon before completing their submission.

FormCross-Industry
inconclusive

Checkout: Standard Or Superscript Price Format

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

FormCross-Industry
inconclusive

Signup: Right Or Left Aligned Forms

Context: The registration experience on the signup asks too much too soon, causing potential users to drop off.

FormCross-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+25.0%

Multiple: Mobile-First UX and Checkout Optimization for Candle Brand

Context: Users arriving at the multiple can't efficiently find what they're looking for, increasing bounce rates.

FormE-commerce
inconclusive+18.5%

Multiple: DTC Subscription Funnel Optimization for Health Food Brand

Context: Users can't quickly find relevant products or content on the multiple, leading to frustration and early exits.

FormE-commerce
inconclusive+25.0%

Multiple: Checkout Funnel Optimization for Fashion Retailer Launching eCommerce

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

FormE-commerce
inconclusive+32.5%

Multiple: Insurance Funnel CRO: Multi-Product Quote and Checkout Optimization

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

FormFintech
inconclusive

Checkout: Fewer Form Fields

Context: Each additional form field adds friction to the checkout, increasing the chance users abandon before completing their submission.

FormCross-Industry
inconclusive

Checkout: Top Aligned Labels

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

FormCross-Industry
inconclusive

Home landing: Natural Language Forms

Context: Multi-step processes on the home landing can overwhelm users if they can't see how far along they are or how much is left.

FormCross-Industry
inconclusive

Product: Postponed Modal Forms

Context: Capturing visitor attention on the product with modals or overlays is a balance between engagement and annoyance.

FormCross-Industry
inconclusive

Checkout: Centered Forms & Buttons

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

FormCross-Industry
inconclusive

Checkout: Easiest Fields First

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

FormCross-Industry
inconclusive

Checkout: Floating Labels

Context: Key actions on the checkout disappear as users scroll, creating a gap between intent and the ability to act.

FormCross-Industry
inconclusive

Product: Faded Background Form

Context: Multi-step processes on the product can overwhelm users if they can't see how far along they are or how much is left.

FormCross-Industry

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