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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.

87 experiments
Winners, losers & inconclusive
Full statistical details
inconclusive

Listing: Supporting Theme Images

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

ImageryCross-Industry
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-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

Listing: Expanded Or Condensed Layout

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

LayoutCross-Industry
winner+5.0%

Listing: Multiple Steps

Problem: Multi-step processes on the listing can overwhelm users if they can't see how far along they are or how much is left.

NavigationCross-Industry
inconclusive

Listing: Already Viewed Label

Context: Form input design on the listing affects completion rates — label placement, validation timing, and field clarity all matter.

Copy & MessagingCross-Industryn=2,452,026
inconclusive

Listing: Single Or Alternative 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=1,416,128
inconclusive

Listing: Sticky Call To Action

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

CTACross-Industryn=1,057,325
inconclusive

Listing: Confirmed Selection

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

NavigationCross-Industryn=801,039
inconclusive

Listing: Search Keyword Highlighting

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

PersonalizationCross-Industryn=738,295
inconclusive

Listing: Persistent Filters

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

LayoutCross-Industryn=441,738
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

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

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

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