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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

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
winner+12.2%

Mobile: Mobile Super Nav Clarity

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

NavigationEnergy & Utilitiesn=203,935
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
winner+7.5%

Signup: Cart Reminder And Recently Viewed

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

PersonalizationFintechn=155,342
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
winner+7.0%

Signup: Blurred Product Background

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

LayoutFintechn=135,618
inconclusive

Content Page: Nagging Results on Content Page

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

LayoutCross-Industryn=131,642
inconclusive

Content Page: Repeated Bottom Call To Action 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=108,360
inconclusive

Listing: Repeated Bottom Call To Action

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=106,791
inconclusive

Content Page: Links Or 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=98,697
inconclusive

Product: Page Level Navigation on Product Page

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

NavigationCross-Industryn=90,196
winner+12.5%

Pricing Page: One Time Payment Copy

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

PricingFintechn=89,887
inconclusive

Listing: Infinite Scrolling Or Pagination

Context: How "Infinite scrolling or pagination" is implemented on the listing can meaningfully affect conversion — this element is worth testing.

LayoutCross-Industryn=87,859

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