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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.

45 experiments
Winners, losers & inconclusive
Full statistical details
inconclusive

Product: Long Titles

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.

Copy & MessagingCross-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

Home landing: Problem-Solution 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: 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

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

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

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: Lead Magnets

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

Copy & MessagingCross-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.

Copy & MessagingCross-Industryn=2,452,026
inconclusive

Listing: Long Titles

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

Copy & MessagingCross-Industryn=68,822
inconclusive

Listing: Product Availability

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

Copy & MessagingCross-Industryn=42,001
inconclusive

Checkout: Urgent Next Day Delivery

Context: Without clear urgency signals, users delay their decision on the checkout, leading to drop-offs and abandoned sessions.

Copy & MessagingCross-Industryn=40,999
inconclusive-4.9%

Landing Page: Removing Termination Fee on Plan Pages

Context: How "Removing termination fee on plan pages" is implemented on the landing page can meaningfully affect conversion — this element is worth testing.

Copy & MessagingEnergy & Utilitiesn=26,318
inconclusive+3.3%

Landing Page: Grid Page Zip Modal Relevance

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

Copy & MessagingEnergy & Utilitiesn=21,639
winner+9.3%

Landing Page: Mobile Plan Page Zip Modal Relevance

Problem: Mobile users experience the landing page differently — smaller screens, touch targets, and limited attention require purpose-built design.

Copy & MessagingEnergy & Utilitiesn=19,034
inconclusive+0.6%

Landing Page: Social Proof

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

Copy & MessagingEnergy & Utilitiesn=16,389
winner+7.5%

Signup: Canned Response

Problem: Each additional form field adds friction to the signup, increasing the chance users abandon before completing their submission.

Copy & MessagingServicesn=14,490
winner+17.9%

Landing Page: Mobile Plan Page Zip Modal Simplification

Problem: Mobile users experience the landing page differently — smaller screens, touch targets, and limited attention require purpose-built design.

Copy & MessagingEnergy & Utilitiesn=13,932
inconclusive-12.9%

Homepage: Mobile Homepage

Context: Mobile users experience the homepage differently — smaller screens, touch targets, and limited attention require purpose-built design.

Copy & MessagingEnergy & Utilitiesn=13,716

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