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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.

61 experiments
Winners, losers & inconclusive
Full statistical details
winner

Home landing: Homepage — 4 Button Labels With "Try It Now" Possibly Leading

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

FormSaaS
winner

Home landing: Layout Optimization

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

LayoutTravel
winner

Home landing: Homepage — All These Tested Homepage Variations - Perhaps This One Will Help?

Problem: Product recommendations on the home landing either help users find what they need or add noise that distracts from the primary purchase.

LayoutSaaS
winner+4.4%

Landing Page: Headline & Copy Test

Problem: The first screen of the landing page must immediately communicate value — if it doesn't, users bounce before scrolling.

Mobile UXEnergy & Utilitiesn=75,511
winner+2.2%

Landing Page: Star Ratings

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

Social ProofEnergy & Utilitiesn=71,171
winner+5.6%

Landing Page: Plan Page Zip Modal CTA Copy

Problem: 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=50,404
winner+4.1%

Landing Page: Grid Page Testimonials

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

Social ProofEnergy & Utilitiesn=50,156
winner+7.2%

Landing Page: Layout Optimization

Problem: The information hierarchy on the landing page may not match how users actually scan and process the content.

LayoutEnergy & Utilitiesn=39,352
winner+2.9%

Landing Page: Help Me Choose: Grid Page Entry

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

LayoutEnergy & Utilitiesn=28,680
winner+9.8%

Landing Page: US North Address Bar

Problem: How "Us north address bar" is implemented on the landing page can meaningfully affect conversion — this element is worth testing.

LayoutEnergy & Utilitiesn=22,848
winner+6.8%

Landing Page: Layout Optimization

Problem: The information hierarchy on the landing page may not match how users actually scan and process the content.

LayoutEnergy & Utilitiesn=21,993
winner+6.9%

Landing Page: Order Now CTA

Problem: 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=21,270
winner+9.3%

Landing Page: Mobile Plan Page Zip Modal Relevance

Problem: Mobile users experience the landing page differently — smaller screens, touch targets, and limited attention require purpose-built design.

Copy & MessagingEnergy & Utilitiesn=19,034
winner+6.4%

Landing Page: Grid Page Reorder

Problem: Friction during the landing page process causes users to abandon right when they're closest to converting.

PricingEnergy & Utilitiesn=14,283
winner+17.9%

Landing Page: Mobile Plan Page Zip Modal Simplification

Problem: Mobile users experience the landing page differently — smaller screens, touch targets, and limited attention require purpose-built design.

Copy & MessagingEnergy & Utilitiesn=13,932
winner+2.8%

Landing Page: Copy & Messaging Optimization

Problem: The copy on the landing page may not be speaking to users' actual motivations — the words you use shape how users perceive the offer.

Copy & MessagingEnergy & Utilitiesn=12,981
winner+10.3%

Landing Page: Layout Optimization

Problem: The information hierarchy on the landing page may not match how users actually scan and process the content.

LayoutEnergy & Utilitiesn=10,266
winner+4.0%

Landing Page: Layout Optimization

Problem: The information hierarchy on the landing page may not match how users actually scan and process the content.

LayoutEnergy & Utilitiesn=7,923
winner+21.5%

Landing Page: Paid Landing Pages

Problem: How "Paid landing pages" is implemented on the landing page can meaningfully affect conversion — this element is worth testing.

Social ProofEnergy & Utilitiesn=4,831
winner+20.2%

Landing Page: Texas Grid Plan Builder

Problem: The information hierarchy on the landing page may not match how users actually scan and process the content.

LayoutEnergy & Utilitiesn=3,592

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