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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.

19 experiments
Winners, losers & inconclusive
Full statistical details
inconclusive

Landing Page: Social Proof at Checkout Increases Orders; Social Proof at Top of Funnel Hurts

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

Social ProofFintech
inconclusive

Product: Benefit Testimonials

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

Social ProofCross-Industry
inconclusive

Checkout: Countdown Timer

Context: Without clear urgency signals, users delay their decision on the checkout, leading to drop-offs and abandoned sessions.

Social ProofCross-Industry
inconclusive

Product: Video Testimonials

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

Social ProofCross-Industry
inconclusive

Checkout: Trust Seals

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

Social ProofCross-Industry
inconclusive

General: Source Personalized Testimonial

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

Social ProofCross-Industry
inconclusive

Product: Clickable Product Previews

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

Social ProofCross-Industry
inconclusive

Pricing Page: Company Logos

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

Social ProofCross-Industry
inconclusive

Product: Registration Flow Change

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

Social ProofCross-Industry
inconclusive

Checkout: Testimonials

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

Social ProofCross-Industry
inconclusive

Checkout: Customer Star Ratings

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

Social ProofCross-Industry
inconclusive

Product: Testimonials on Product Page

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

Social ProofCross-Industryn=1,317,945
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: Social Counts on Product Page

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

Social ProofCross-Industryn=64,535
inconclusive

Listing: Bulleted Reassurances

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

Social ProofCross-Industryn=50,698
inconclusive

Listing: Social Counts

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

Social ProofCross-Industryn=34,676
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

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

Checkout: Testimonials

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

Social ProofCross-Industryn=3,333

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