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Biggest measured wins
All results →A
→B
+$471,162/month
Ongoing CRO program on navigation, bundles and product pages for a knife brand
Site-wideAnnouncement bars
@oliverkenyon
A
→B
+$182k monthly revenue
Added bundle options directly on the product page
Product pageBundles & quantity breaks
@oliverkenyon
A
→B
+$159K per month
Rewrote product page copy from general claims to pain-point benefit copy
Product pageHeadlines, product titles & copy
@oliverkenyon
A
→B
+12% conversion rate
Competitor comparison table and benefit-led copy tested on a diagram software landing page
Landing pageComparison charts & tables
@oliverkenyon
A
→B
about +$1.15M a month
Sitewide urgency note by the cart icon
Site-wideSales, urgency & limited-time offersDomaine
A
→B
about +$899K a month
Size-based 'Only X left!' stock message
Product pageLow-stock & scarcity messagingDomaine
A
→B
about +$635K a month
Free shipping as its own cart line item
CartShipping & delivery messagingDomaine
A
→B
+$389,565/month
Order total and lock icon on checkout button
CartCart drawers & slide carts
Convertibles
Browse by page
All page types →Latest results
All results →A
→B
+7.8% revenue per visitor
Removed the 1/2/3-bag bundle selector from the product page
Product pageBundles & quantity breaks
@oliverkenyon
A
→B
+10.9% revenue per visitor
Added Instagram-style category story bubbles above the mobile homepage hero
HomepageHero & above-the-fold section
@oliverkenyon
A
→B
+23.8% revenue per visitor
Cart drawer: dispatch/returns/payment block under checkout, size dropdown
CartMoney-back guarantee & returns
@oliverkenyon
A
→B
+10.77% revenue per visitor
Made the bundle buy box more compact by reducing padding between elements
Product pageBundles & quantity breaks
@DaveDiederen
A
→B
+3.16% revenue per visitor
Added a countdown timer to checkout
CheckoutCountdown timers
@DaveDiederen
A
→B
+11.48% revenue per visitor
Added a named sale callout (e.g. 'Fall Sale') inside the existing savings badge
Product pageSales, urgency & limited-time offers
@DaveDiederen
A
→B
+12.36% revenue per visitor
Rewrote the product title as a benefit-led headline (e.g. 'Improve Your Skin from Home with the LED Face Mask')
Product pageHeadlines, product titles & copy
@DaveDiederen
A
→B
2x conversion rate
Cut the price by 30%
Product pagePricing, discounts & savings display
@elevate_ab
Most-tested elements
All elements →167 of 216 tests won
121 of 132 tests won
102 of 128 tests won
104 of 126 tests won
101 of 112 tests won
88 of 100 tests won
68 of 93 tests won
74 of 88 tests won
Tests that lost
These save you the most time: changes that sound smart but cost money.
A
→B
-35.61% revenue per visitor
Added a countdown timer for a non-US (European) market
Site-wideCountdown timers
@DaveDiederen
A
→B
-9.17% revenue per visitor
Introduced subscriptions with the subscription option pre-checked by default
Product pageSubscriptions & subscribe-and-save
@DaveDiederen
A
→B
-3.84% revenue per visitor
Added small customer profile icons next to the star rating on the PDP
Product pageReviews & star ratings
@DaveDiederen
A
→B
+~10% conversion rate (low-priced brand)
Added a countdown timer, tested across several brands
Product pageCountdown timers
@Rubendgrf
The people who ran them
All practitioners →
Oliver KenyonConversionwiseBest: +$471,162/month
Dave DiederenSyntra LabsBest: 7,509 active subscriptions
Kasper DolkMaison CommerceBest: Revenue lift +€127,112
Peter ChristensenScaling CROBest: +20% conversion rate
RubenTailored CommerceBest: +28% revenue per visitor
MilosCRO for $200k–$1M/month storesBest: +17.88% revenue per visitor
Alex StoykovOlifant DigitalBest: +10.87% revenue per visitor
Josh ThompsonCRO for 7- and 8-figure ecommerce brandsBest: +175.64% revenue per visitorMake more money from the traffic you're already getting.
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