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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.

594 experiments
Winners, losers & inconclusive
Full statistical details
inconclusive

Product: What It's Worth on Product Page

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

PricingCross-Industryn=1,052,531
inconclusive

Product: Sticky Call To Action on Product Page

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

CTACross-Industryn=805,623
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

Product: Money Back Guarantee 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=488,288
inconclusive

Product: Benefit Bar on Product Page

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

TrustCross-Industryn=481,189
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+0.7%

Landing Page: Sitewide CTA

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

CTAEnergy & Utilitiesn=434,312
inconclusive

Product: Fewer Or More Results on Product Page

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

NavigationCross-Industryn=428,454
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+2.1%

Homepage: Form Field Labels

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

LayoutEnergy & Utilitiesn=292,860
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

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