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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.

63 experiments
Winners, losers & inconclusive
Full statistical details
winner

Listing: Listing Page

Problem: How "Listing page" is implemented on the listing can meaningfully affect conversion — this element is worth testing.

FormE-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

Product: Product Page

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

FormE-commerce
loser

Home landing: Headline & Copy Test

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

FormTravel
loser

Home landing: Form Field Labels

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

FormSaaS
loser

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.

FormTravel
winner

Home landing: Navigation Structure Test

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

FormTravel
winner

Listing: Navigation Structure Test

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

FormSaaS
winner

Home landing: Search UX Enhancement

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

FormTravel
inconclusive

Listing: Bigger Form Fields

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

FormCross-Industryn=164,436
inconclusive

Listing: Countdown Timer

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

FormCross-Industryn=61,034
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
inconclusive

Checkout: Add More For Extra Incentive

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

FormCross-Industryn=36,284
winner+5.3%

Checkout: Grid Page Progress Bar

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

FormEnergy & Utilitiesn=33,413
inconclusive

Product: Field Explanations on Product Page

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

FormCross-Industryn=26,534
inconclusive

Checkout: Field Explanations

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

FormCross-Industryn=26,534
inconclusive

Product: Postponed Modal Forms on Product Page

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

FormCross-Industryn=23,733
inconclusive

Checkout: Easiest Fields First

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

FormCross-Industryn=9,626
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
inconclusive

Checkout: Autodiscounting

Context: Coupon and promo code fields on checkouts can distract users — they leave to hunt for codes, reducing completion rates.

FormCross-Industryn=6,121

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