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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.

47 experiments
Winners, losers & inconclusive
Full statistical details
winner

Product: Product Page

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

Social ProofTravel
loser

Home landing: Social Proof Display

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

Social ProofTravel
winner

Product: Product Page — Replicates 's Experiment Which Confirms A Better Customer Rating Format

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

Social ProofTravel
winner

Home landing: Form Field Labels

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

Social ProofSaaS
loser

Product: Product Page

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

Social ProofE-commerce
winner

Listing: Listing Page

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

Social ProofTravel
winner

Product: Product Page — "In X Carts" Social Proof Message

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

Social ProofE-commerce
inconclusive

Product: Registration Flow Change

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

Social ProofCross-Industry
inconclusive

Pricing Page: Company Logos

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

Social ProofCross-Industry
inconclusive

Product: Clickable Product Previews

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

Social ProofCross-Industry
loser

Product: Product Page

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

Social ProofE-commerce
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

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

Checkout: Testimonials

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

Social ProofCross-Industry
inconclusive

Checkout: Customer Star Ratings

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

Social ProofCross-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
inconclusive

Product: Benefit Testimonials

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

Social ProofCross-Industry
inconclusive

Checkout: Countdown Timer

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

Social ProofCross-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

Product: Product Page — A/B Tested Company Logos And A Smaller Add-To-Cart Button

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

Social ProofE-commerce

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