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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.

599 experiments
Winners, losers & inconclusive
Full statistical details
inconclusive

Listing: Category Images

Context: Visual elements on the listing aren't doing enough to communicate value, build trust, or guide users toward the next step.

ImageryCross-Industryn=34,191
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
winner+21.0%

Homepage: Layout Optimization

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

LayoutEnergy & Utilitiesn=31,032
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-Industryn=30,699
winner+5.7%

Homepage: Homepage Hero Redesign

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

LayoutEnergy & Utilitiesn=30,538
loser-7.5%

Landing Page: Pricing Display Change

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

PricingEnergy & Utilitiesn=28,875
winner+2.9%

Landing Page: Help Me Choose: Grid Page Entry

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

LayoutEnergy & Utilitiesn=28,680
inconclusive

Homepage: Mobile Homepage

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

Mobile UXEnergy & Utilitiesn=28,531
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-4.9%

Landing Page: Removing Termination Fee on Plan Pages

Context: How "Removing termination fee on plan pages" is implemented on the landing page can meaningfully affect conversion — this element is worth testing.

Copy & MessagingEnergy & Utilitiesn=26,318
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
inconclusive+5.1%

Mobile: DIR - Stacked Mobile Grid

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

LayoutEnergy & Utilitiesn=24,993
loser-3.6%

Landing Page: Rate Toggle

Problem: How "Rate toggle" is implemented on the landing page can meaningfully affect conversion — this element is worth testing.

PricingEnergy & Utilitiesn=24,285
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
loser-8.5%

Landing Page: Social Proof Optimization

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

Social ProofEnergy & Utilitiesn=23,353
inconclusive

Checkout: Pricing Comparison Table

Context: How prices are displayed on the checkout directly influences perceived value and willingness to buy.

PricingCross-Industryn=23,336
winner+14.1%

Pricing Page: Pricing Prominency on Grid

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

PricingEnergy & Utilitiesn=23,235
inconclusive

Product: Less Or More Visible Prices on Product Page

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

PricingCross-Industryn=22,957
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-Industryn=22,852

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