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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: Welcome Discount

Context: Coupon and promo code fields on products can distract users — they leave to hunt for codes, reducing completion rates.

PricingCross-Industry
inconclusive

Product: Personalized Next Step

Context: A one-size-fits-all product experience underperforms compared to content tailored to the visitor's context and intent.

PersonalizationCross-Industry
inconclusive

Product: Product Highlights

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: Persistent Filters

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

NavigationCross-Industry
inconclusive

Product: Onboarding Callouts

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

LayoutCross-Industry
inconclusive

Product: Progressive Fields

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

FormCross-Industry
inconclusive

Product: Benefit Button

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
inconclusive

Product: Action Button

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
inconclusive

Product: UX Pattern Optimization

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: Clickable Product Previews

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

Social ProofCross-Industry
inconclusive

Product: Single Focus Photos

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: Bigger Form Fields

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

FormCross-Industry
inconclusive

Product: Carousel Vs Static Grid Images

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: Lead Magnets

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

Copy & MessagingCross-Industry
inconclusive

Product: Contrast Links & 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
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

Product: Lower Price Frames

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

PricingCross-Industry
inconclusive

Product: More Or Fewer Plans

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

PricingCross-Industry
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
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

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