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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.

60 experiments
Winners, losers & inconclusive
Full statistical details
winner

General: Better, Padded And Wider Search Bar In This A/B/C Test

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

NavigationE-commerce
winner

General: Navigation Optimization

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

NavigationE-commerce
winner

Listing: Something Better Than Classic Pulldown Menus, As Expected

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

NavigationE-commerce
winner

Listing: The UI Classic: List Vs Grid View

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.

PricingE-commerce
winner

Product: Product Page

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
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
winner

Product: Product Page

Problem: Visual elements on this product carry weight — they can build trust, communicate value, or add unnecessary noise.

ImageryE-commerce
winner+27.5%

Product Page: Urgency Countdown Clock

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

Copy & MessagingE-commerce
winner+44.0%

Homepage: Social Proof Header (600K Facebook Fans)

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

Social ProofE-commerce
winner+350.0%

Homepage: Visitor Segmentation by User Type

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

PersonalizationE-commerce
winner+20.0%

Checkout: Marketplace Order Confirmation Upsell

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

LayoutE-commerce
winner+5.5%

Landing Page: Emotional Brand-Voice Copy in Subscription Funnel

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

Copy & MessagingE-commerce
winner+11.0%

Product Page: Product Debundling with Feature Bullet Lists

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

LayoutE-commerce
winner+4.0%

Product Page: Value Proposition Placement on Product Page

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

Copy & MessagingE-commerce
winner+12.5%

Signup: Forced Action

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

FormE-commercen=36,898
winner+9.0%

Signup: Hero Image Variation

Problem: The first screen of the signup must immediately communicate value — if it doesn't, users bounce before scrolling.

Social ProofE-commercen=26,270
winner+7.5%

Thank you: Personalized Next Step

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

PersonalizationE-commercen=21,910
winner+10.5%

Signup: Right Or Left Aligned Forms

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

FormE-commercen=6,674
winner+8.5%

Shopping cart: Free Shipping

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

PricingE-commercen=3,123

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