Optimizely
Testing and CRO tool · optimizely.com
14 A/B tests with real results, shared by Optimizely.
A
→B
+1.98% add to cart
'Highly Rated' badge on well-reviewed products
Product pageBestseller badges & product labels
A
→B
+2% revenue per visitor
One size filter above the fold
Collection pageFilters, sorting & site search
A
→B
+3.7% purchases
Same promo message on category and product pages
Collection pageBestseller badges & product labels
A
→B
+1.2% add to cart
'Our Pick' badge on product images
Collection pageBestseller badges & product labels
A
→B
+$5.5M revenue
Removing a membership banner from the cart
CartLayout, fonts & visual design
A
→B
5% of orders moved off high-fee methods
Card logos shown at checkout
CheckoutPayment icons, express checkout & BNPL
A
→B
+24% paid card sales
Greeting card pricing and add-on flow changes
CheckoutUpsells & cross-sells
A
→B
+22.89% orders from mini-cart users
Mini-cart delete icon plus fixes
CartCart drawers & slide carts
A
→B
+136% clicks to product pages
Personalized homepage recommendations
HomepageUpsells & cross-sells
A
→B
+23.01% CTR
Bestsellers instead of featured picks for new visitors
HomepageProduct cards & quick add
A
→B
+2.74% revenue
Recommendations on zero-result searches
OtherFilters, sorting & site search
A
→B
+4.7% conversion rate
Refill quantity selector on subscription page
Product pageSubscriptions & subscribe-and-save
A
→B
+37% enrollment
Free trial framed as part of the plan, not an add-on
Product pageSubscriptions & subscribe-and-save
A
→B
-6.07% add to cart
Head-to-toe outfits carousel on homepage
HomepageHero & above-the-fold section
LiftArchive covers 14 A/B tests that Optimizely has published. Each page has our own summary and commentary, with a link to the original case study. Most are on product page (3), collection page (3), homepage (3).