Office Mailchimp plugin for WooCommerce platform.
https://wordpress.org/plugins/mailchimp-for-woocommerce/
Widgets · WordPress Plugins
Get access to data on 324,362 websites that are Mailchimp for WooCommerce Customers. We know of 265,157 live websites using Mailchimp for WooCommerce and an additional 59,205 sites that used Mailchimp for WooCommerce historically and 154,667 websites in the United States.
Get a list of 324,362 websites using Mailchimp for WooCommerce which includes location information, hosting data, contact details, 265,157 currently live websites and an additional 48,253 domains that redirect to sites in this list. 59,205 sites that used this technology previously and 154,667 websites in the United States currently using Mailchimp for WooCommerce.