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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.

139 experiments
Winners, losers & inconclusive
Full statistical details
inconclusive

Product: Unselected Or Selected Defaults

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

LayoutCross-Industry
inconclusive

Product: Zigzag Layout

Context: The information hierarchy on the product may not match how users actually scan and process the content.

LayoutCross-Industry
inconclusive

Product: Unit Prices

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

PricingCross-Industry
inconclusive

Product: Bottom Or Left Thumbnails

Context: Visual elements on the product aren't doing enough to communicate value, build trust, or guide users toward the next step.

ImageryCross-Industry
inconclusive

Product: Registration Flow Change

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

Social ProofCross-Industry
inconclusive

Product: One Time Payment Copy

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

PricingCross-Industry
inconclusive

Product: Product Categories

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

LayoutCross-Industry
inconclusive

Product: Earliest Availability

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.

LayoutCross-Industry
inconclusive

Product: Page Level Navigation

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

NavigationCross-Industry
inconclusive

Product: Product Descriptions

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.

LayoutCross-Industry
inconclusive

Product: Square or Rounded Buttons

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

CTACross-Industry
winner

Product: Product Page

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

CTAE-commerce
winner

Product: Product Page

Problem: The information hierarchy on the product may not match how users actually scan and process the content.

LayoutE-commerce
loser

Product: Product Page

Problem: Users on the product need validation from others before committing — without visible proof of success, they hesitate.

Social ProofE-commerce
winner

Product: Product Page

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

NavigationE-commerce
winner

Product: Product Page

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

NavigationE-commerce
winner

Product: Product Page

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

NavigationE-commerce
winner

Product: CTA Button Optimization

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

LayoutE-commerce
loser

Product: Product Page

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

FormE-commerce
loser

Product: Product Page — : Floating Buy Box

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

LayoutE-commerce

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