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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.

113 experiments
Winners, losers & inconclusive
Full statistical details
loser

Product: Product Page

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

LayoutE-commerce
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
loser

Product: Product Page

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

PricingE-commerce
loser

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.

CTAE-commerce
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
loser

Product: Product Page

Problem: Visual elements on the product aren't doing enough to communicate value, build trust, or guide users toward the next step.

ImageryE-commerce
loser

Listing: Listing Page

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

LayoutE-commerce
winner

Product: Product Page

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

FormE-commerce
winner

Listing: Listing Page

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

LayoutE-commerce
winner

Product: Product Page

Problem: Users on the product don't feel confident enough to proceed — they need reassurance that their data and money are safe.

LayoutE-commerce
winner

Product: Product Page

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

FormE-commerce
loser

Listing: Listing Page — Suggesting That Less Isn't Necessarily More

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

LayoutE-commerce
winner

Product: Product Page

Problem: Visual elements on the product aren't doing enough to communicate value, build trust, or guide users toward the next step.

LayoutE-commerce
winner

Listing: Listing Page

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

NavigationE-commerce
winner

Product: Product Page

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

LayoutE-commerce
winner

Product: CTA Button Optimization

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

CTAE-commerce
winner

Product: Product Page

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

PricingE-commerce
loser

Product: Product Page — Smaller & Shorter Product Titles

Problem: How "Product page — smaller & shorter product titles" is implemented on the product can meaningfully affect conversion — this element is worth testing.

Copy & MessagingE-commerce
winner

Home landing: UX Pattern Optimization

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

LayoutE-commerce
winner

Product: Product Page — Product Quantity Options Receive A Confirmation From This A/B Test

Problem: Users arriving at the product can't efficiently find what they're looking for, increasing bounce rates.

LayoutE-commerce

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