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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.

48 experiments
Winners, losers & inconclusive
Full statistical details
inconclusive+55.0%

Landing Page: Labster: Virtual Lab SaaS Free Trial Sign-Up Optimisation

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

CTAEdTech
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

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+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

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: 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: 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

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
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

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=67,295
inconclusive-1.4%

Landing Page: CTA Button Optimization

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=65,689
inconclusive+1.8%

Landing Page: CTA Optimization

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=56,158
inconclusive-5.1%

Homepage: Help Me Choose Homepage

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

CTAEnergy & Utilitiesn=55,255
inconclusive

Listing: Shortcut 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=43,967
inconclusive

Listing: Hover Button

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=30,699
inconclusive

Checkout: Back Buttons

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

CTACross-Industryn=22,852

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