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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.

210 experiments
Winners, losers & inconclusive
Full statistical details
inconclusive

General: Consistent System Fonts

Context: Visual emphasis on the general may not be drawing attention to the right elements — size, color, and contrast guide the eye.

LayoutCross-Industry
inconclusive

Listing: Out Of Stock Or In Stock Products

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

Signup: Forced Action

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

LayoutCross-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

Checkout: Auto Suggest

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

LayoutCross-Industry
inconclusive

Checkout: Progress Bar

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

LayoutCross-Industry
inconclusive

Listing: Expanded Or Condensed Layout

Context: The information hierarchy on the listing may not match how users actually scan and process the content.

LayoutCross-Industry
inconclusive

Checkout: Frequently Asked Questions

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

LayoutCross-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
inconclusive

Product: Zigzag Layout

Context: The information hierarchy on the product may not match how users actually scan and process the content.

LayoutCross-Industry
inconclusive

Checkout: Confirmed Selection

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

LayoutCross-Industry
inconclusive

Listing: Product Availability

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

Checkout: Optional or Confident Recommendation

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

LayoutCross-Industry
inconclusive

Product: Product Categories

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

LayoutCross-Industry
inconclusive

Product: Earliest 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

Product: Product Descriptions

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
winner

Product: Product Page

Problem: The information hierarchy on the product may not match how users actually scan and process the content.

LayoutE-commerce
winner

Home landing: UX Pattern Optimization

Problem: How "Ux pattern optimization" is implemented on the home landing can meaningfully affect conversion — this element is worth testing.

LayoutE-commerce
winner

Product: CTA Button Optimization

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

LayoutE-commerce
loser

Home landing: UX Pattern Optimization

Problem: How "Ux pattern optimization" is implemented on the home landing can meaningfully affect conversion — this element is worth testing.

LayoutTravel

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