Skip to main content

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.

275 experiments
Winners, losers & inconclusive
Full statistical details
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
inconclusive

General: Source Personalized Headline

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

Copy & MessagingCross-Industry
inconclusive

General: Personalized Greeting Headline

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

Copy & MessagingCross-Industry
inconclusive

Listing: Infinite Scrolling Or Pagination

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.

NavigationCross-Industry
winner

Checkout: Filled Or Ghost Buttons

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

CTACross-Industry
inconclusive

Checkout: Tags, Badges And Structured Information

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

FormCross-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

General: Localized Greeting Headline

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

Copy & MessagingCross-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

General: Where Should We Send Your Code

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

LayoutCross-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

Stop Re-Running Failed Tests

Build on what's already been learned. Save your own experiments, surface winning patterns, and make every test count.

Browse Experiments By

Comparisons

Popular Combos

Explore More