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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.

594 experiments
Winners, losers & inconclusive
Full statistical details
inconclusive

Product: Least Or Most Expensive First

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

LayoutCross-Industry
winner

Checkout: Remove Coupon Fields

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

FormCross-Industry
inconclusive

Product: Buy Now Or Smaller Commitment 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: Canned Response

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

LayoutCross-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
inconclusive

Checkout: Testimonials

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

Social ProofCross-Industry
inconclusive

Listing: Priming Step

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

LayoutCross-Industry
inconclusive

Home landing: Empowering Headline

Context: The headline on the home landing may not resonate with what users actually care about or address their top objections.

Copy & MessagingCross-Industry
inconclusive

Product: Visible 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

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
winner+8.5%

Pricing Page: More Or Fewer Plans

Problem: How prices are displayed on the pricing page directly influences perceived value and willingness to buy.

PricingFintech
inconclusive

Listing: Links Or Buttons

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

CTACross-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
winner+4.0%

Checkout: Sticky Call To Action

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

CTACross-Industry
winner+8.5%

Pricing Page: Least Or Most Expensive First

Problem: How prices are displayed on the pricing page directly influences perceived value and willingness to buy.

PricingEdTech
inconclusive

Product: More For Less Headline

Context: The headline on the product may not resonate with what users actually care about or address their top objections.

Copy & MessagingCross-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
winner+2.1%

Product: Social Counts

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

Social ProofCross-Industry
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
winner

Product: Product Page — Product Quantity Options Receive A Confirmation From This A/B Test

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

LayoutE-commerce

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