Collect eCommerce data with Google Analytics.
https://developers.google.com/analytics/devguides/collection/analyticsjs/ecommerce
Analytics and Tracking
Get access to data on 513,829 websites that are Google Analytics Ecommerce Customers. We know of 102,158 live websites using Google Analytics Ecommerce and an additional 411,671 sites that used Google Analytics Ecommerce historically and 36,925 websites in the United States.
Google Analytics Ecommerce websites that are also using other technologies.
Get a list of 513,829 websites using Google Analytics Ecommerce which includes location information, hosting data, contact details, 102,158 currently live websites and an additional 113,553 domains that redirect to sites in this list. 411,671 sites that used this technology previously and 36,925 websites in the United States currently using Google Analytics Ecommerce.