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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.

275 experiments
Winners, losers & inconclusive
Full statistical details
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: Customer Star Ratings

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

Social ProofCross-Industryn=379,243
inconclusive

Product: Pay Later on Product Page

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

TrustCross-Industryn=364,582
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: Tags, Badges And Structured Information

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

LayoutCross-Industryn=241,428
inconclusive

Listing: Instant Filter Results

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

LayoutCross-Industryn=238,851
inconclusive

Listing: Out Of Stock Or In Stock Products

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

LayoutCross-Industryn=220,773
inconclusive

Listing: Exposed Menu Options

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

LayoutCross-Industryn=208,456
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

Checkout: Checkout Flow Simplification

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

NavigationCross-Industryn=206,500
inconclusive

Listing: Conversational Filters

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

LayoutCross-Industryn=189,872
inconclusive

Checkout: Standard Or Superscript Price Format

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

PricingCross-Industryn=175,677
inconclusive

Product: Countdown Timer on Product Page

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

LayoutCross-Industryn=170,153
inconclusive

Listing: Visible Filters

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

LayoutCross-Industryn=169,951
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: Onboarding Callouts

Context: The registration experience on the listing asks too much too soon, causing potential users to drop off.

PersonalizationCross-Industryn=159,569
inconclusive

Product: Earliest Availability on Product Page

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

LayoutCross-Industryn=157,930
inconclusive

Listing: Product Highlights

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

PricingCross-Industryn=149,200
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

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