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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: Conversational Filters

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

Copy & MessagingCross-Industry
inconclusive

Listing: Hover Button

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

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

Home landing: Full Height False Bottom

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.

LayoutCross-Industry
inconclusive

Product: Inverted Or Consistent Button Styles

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: Repeated Bottom Call To Action

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

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

Checkout: Urgent Next Day Delivery

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

LayoutCross-Industry
inconclusive

Checkout: Trust Seals

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

Social ProofCross-Industry
inconclusive

Checkout: Checkout Flow Simplification

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

LayoutCross-Industry
inconclusive

Checkout: Add More For Extra Incentive

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

LayoutCross-Industry
inconclusive

Checkout: Complementary Upsell

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

LayoutCross-Industry
inconclusive

Checkout: Currency & Taxes

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

PricingCross-Industry
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

Checkout: Autodiscounting

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

PricingCross-Industry
inconclusive

General: Combined Social Signup & Login

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

LayoutCross-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

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

General: Source Personalized Testimonial

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

Social ProofCross-Industry
winner+11.5%

Homepage: Navigation CTA 'Latest Stock Picks'

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

CTAFintech

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