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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.

48 experiments
Winners, losers & inconclusive
Full statistical details
inconclusive+22.5%

Product-listing: Plans Page: CTA Copy 'Select Plan' vs 'Order Now' Reduces Commitment Anxiety

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

CTAEnergy & Utilities
inconclusive+150.0%

Homepage: Navex Global: Compliance SaaS Homepage and Demo Request Redesign

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

CTASaaS
inconclusive

Product: Square or Rounded Buttons

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: Back Buttons

Context: 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: Contrast Links & Buttons

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+250.0%

Landing-page: Tipalti B2B FinTech: Research-Led Experimentation Lifts Lead-to-Opportunity from 5% to 24%

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

CTASaaS
inconclusive

Product: Action 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

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

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
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

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: Hover Button

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

CTACross-Industry
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-Industry
inconclusive

Product: Shortcut Buttons

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: Buy Now Or Smaller Commitment 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

Product: Single Or Alternative Buttons

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: Above The Fold Call To Action

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

CTACross-Industry
inconclusive-4.7%

Listing: Filled Or Ghost 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-Industry
inconclusive

Listing: Visible Payment Options

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

CTACross-Industry
inconclusive+55.0%

Landing Page: Labster: Virtual Lab SaaS Free Trial Sign-Up Optimisation

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

CTAEdTech

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