Connect your Shopify store with your MailChimp account.
https://apps.shopify.com/mailchimp
eCommerce · Non Platform · Shopify App
Get access to data on 420,674 websites that are MailChimp for Shopify Customers. We know of 188,006 live websites using MailChimp for Shopify and an additional 232,668 sites that used MailChimp for Shopify historically and 133,820 websites in the United States.
Get a list of 420,674 websites using MailChimp for Shopify which includes location information, hosting data, contact details, 188,006 currently live websites and an additional 116,634 domains that redirect to sites in this list. 232,668 sites that used this technology previously and 133,820 websites in the United States currently using MailChimp for Shopify.