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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.

76 experiments
Winners, losers & inconclusive
Full statistical details
inconclusive

Product: Inverted Or Consistent Button Styles

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

CTACross-Industry
inconclusive

Product: Repeated Bottom Call To Action

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

CTACross-Industry
winner

Checkout: Filled Or Ghost Buttons

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

CTACross-Industry
inconclusive

Product: Benefit Button

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

CTACross-Industry
inconclusive

Checkout: No Commitment Default

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

CTACross-Industry
inconclusive

Listing: Single Or Alternative Buttons

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

CTACross-Industryn=1,416,128
inconclusive

Listing: Sticky Call To Action

Context: Key actions on the listing disappear as users scroll, creating a gap between intent and the ability to act.

CTACross-Industryn=1,057,325
inconclusive

Product: Sticky Call To Action on Product Page

Context: Key actions on the product disappear as users scroll, creating a gap between intent and the ability to act.

CTACross-Industryn=805,623
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

Content Page: Inline Link Nudge on Content Page

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

CTACross-Industryn=411,288
inconclusive

Listing: Links Or Buttons

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

CTACross-Industryn=386,439
inconclusive

Listing: Visible Availability

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

CTACross-Industryn=279,266
inconclusive

Listing: Centered Forms & Buttons

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

CTACross-Industryn=207,844
inconclusive

Content Page: Contrast Links & Buttons on Content Page

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

CTACross-Industryn=142,102
inconclusive

Content Page: Repeated Bottom Call To Action on Content Page

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

CTACross-Industryn=108,360
inconclusive

Listing: Repeated Bottom Call To Action

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

CTACross-Industryn=106,791
inconclusive

Content Page: Links Or Buttons on Content Page

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

CTACross-Industryn=98,697
inconclusive

Content Page: Inline Link Nudge on Content Page

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

CTACross-Industryn=67,295
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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