Connect your Shopify store with your MailChimp account.
https://apps.shopify.com/mailchimp
eCommerce · Non Platform · Shopify App
Get access to data on 485,725 websites that are MailChimp for Shopify Customers. We know of 149,223 live websites using MailChimp for Shopify and an additional 336,502 sites that used MailChimp for Shopify historically and 101,609 websites in the United States.
Get a list of 485,725 websites using MailChimp for Shopify which includes location information, hosting data, contact details, 149,223 currently live websites and an additional 88,865 domains that redirect to sites in this list. 336,502 sites that used this technology previously and 101,609 websites in the United States currently using MailChimp for Shopify.