Connect your Shopify store with your MailChimp account.
https://apps.shopify.com/mailchimp
eCommerce · Non Platform · Shopify App
Get access to data on 329,316 websites that are MailChimp for Shopify Customers. We know of 157,435 live websites using MailChimp for Shopify and an additional 171,881 sites that used MailChimp for Shopify historically and 118,140 websites in the United States.
Get a list of 329,316 websites using MailChimp for Shopify which includes location information, hosting data, contact details, 210,379 currently live websites which includes 52,944 domains that redirect to sites in the list. 171,881 sites that used this technology previously and 118,140 websites in the United States currently using MailChimp for Shopify.