There are lots of telltale endpoints that you could just HEAD for a 200 vs 404. Or even just the products.json itself is a pretty good giveaway.
Or an even better way I’ve done in the past (to check which competitor’s platform a list of prospects is using in bulk) is just to use the DNS — a Shopify shop will be CNAMEd to a certain Shopify hostname.
Or an even better way I’ve done in the past (to check which competitor’s platform a list of prospects is using in bulk) is just to use the DNS — a Shopify shop will be CNAMEd to a certain Shopify hostname.