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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: Fewer Or More Results

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: Video Testimonials

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

Social ProofCross-Industry
winner+4.3%

Product: Exposed Menu Options

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

NavigationCross-Industry
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

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

Home landing: Local 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: Least Or Most Expensive First

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

LayoutCross-Industry
inconclusive

Checkout: Bulleted Reassurances

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

TrustCross-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
winner

Content Page: Maybe Later

Problem: How "Maybe later" is implemented on the content page can meaningfully affect conversion — this element is worth testing.

LayoutCross-Industry
inconclusive

Checkout: Benefit Bar

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

Copy & MessagingCross-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

Content Page: Inline Link Nudge

Context: Form input design on the content page affects completion rates — label placement, validation timing, and field clarity all matter.

Copy & MessagingCross-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

Product: Welcome Mat - Partial

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

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-4.7%

Listing: Filled Or Ghost 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
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
winner+8.3%

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

Listing: Already Viewed Label

Context: Form input design on the listing affects completion rates — label placement, validation timing, and field clarity all matter.

FormCross-Industry

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