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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.

80 experiments
Winners, losers & inconclusive
Full statistical details
inconclusive

General: Temporary Sign In

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

LayoutCross-Industry
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

Home landing: Visible Search

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

NavigationCross-Industry
inconclusive

Home landing: Visible Or Hidden Offer Pages

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

PricingCross-Industry
inconclusive

Landing Page: Social Proof at Checkout Increases Orders; Social Proof at Top of Funnel Hurts

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

Social ProofFintech
inconclusive+125.0%

Multiple: Mobile Search Bar Visibility and Heatmap-Driven PDP Redesign

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

Mobile UXE-commerce
inconclusive+14.0%

Multiple: Subscription Retention UX: Account Portal and PDP Optimization

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

PricingE-commerce
inconclusive+20.0%

Multiple: Homepage and Search UX Overhaul with Smart Cart for Music Retailer

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

LayoutE-commerce
inconclusive+80.0%

Multiple: Long-Term CRO Program with PDP Audit for Automotive Parts

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

LayoutE-commerce
inconclusive+25.0%

Multiple: Mobile-First UX and Checkout Optimization for Candle Brand

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

FormE-commerce
inconclusive+17.5%

Multiple: Product Page Redesign and Checkout Optimization for eBay

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

LayoutE-commerce
inconclusive+35.0%

Landing Page: B2B Landing Page Optimization Program for 3M

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

LayoutSaaS
inconclusive+32.5%

Multiple: Mobile Conversion Parity Program for Women's Fashion Retailer

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

Mobile UXE-commerce
inconclusive+18.5%

Multiple: DTC Subscription Funnel Optimization for Health Food Brand

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

FormE-commerce
inconclusive+32.5%

Multiple: Subscription Dog Food Funnel: Mobile and Checkout A/B Testing

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

Mobile UXE-commerce
inconclusive+65.0%

Multiple: Category Page Overhaul and Product Page Redesign for Online Watch Retailer

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

LayoutE-commerce
inconclusive+40.0%

Multiple: Full-Site CRO Program with BFCM Acceleration for Home Decor Retailer

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

LayoutE-commerce
inconclusive+0.7%

Landing Page: Sitewide CTA

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

CTAEnergy & Utilitiesn=434,312
inconclusive-1.4%

Landing Page: CTA Button Optimization

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

CTAEnergy & Utilitiesn=65,689
inconclusive+1.8%

Landing Page: CTA Optimization

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

CTAEnergy & Utilitiesn=56,158

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