#506

Checkout button wording

RUNNING

A clear promise (free delivery) on the button makes more people start checkout. Goal: Clicked the checkout button. Key: checkout-button

Live demo page

Results

Variant	Visitors	Conversions	Rate (95 % CI)	Uplift	p-value	Chance to beat A
A Control: Buy now 50%	1,222	80	6.55% 5.3% - 8.1%	control	-	-
B Free delivery promise 50%	1,179	99	8.40% 6.9% - 10.1%	+28.3%	0.0844	95.8%	not yet

"Significant" = p-value below 0.05 (two-proportion z-test) and at least 100 visitors per variant. A p-value of 0.03 means: if both variants were really equal, a difference this big would happen by luck only 3 % of the time.