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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.

229 experiments
Winners, losers & inconclusive
Full statistical details
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
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: Pricing Comparison Table

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

PricingCross-Industryn=23,336
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
inconclusive

Listing: Fewer Or More Results

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

LayoutCross-Industryn=22,070
inconclusive

Listing: Money Back Guarantee

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

TrustCross-Industryn=21,096
inconclusive

Checkout: Frequently Asked Questions

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

Social ProofCross-Industryn=18,871
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=10,258
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
inconclusive

Content Page: Sticky Call To Action on Content Page

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

CTACross-Industryn=7,999
inconclusive

Checkout: Trust Seals

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

Social ProofCross-Industryn=7,986
inconclusive

Listing: Nagging Results

Context: How "Nagging results" is implemented on the listing can meaningfully affect conversion — this element is worth testing.

Copy & MessagingCross-Industryn=7,934
inconclusive

Listing: Action 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=7,173
inconclusive

Listing: Priming Step

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

NavigationCross-Industryn=6,146
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
inconclusive

Checkout: Complementary Upsell

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

PricingCross-Industryn=6,079
inconclusive

Checkout: Auto Suggest

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

PersonalizationCross-Industryn=4,735

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