Microdata for adding products to Google Shopping.
https://support.google.com/merchants/answer/6069143?hl=en-AU
Widgets · eCommerce
Get access to data on 6,453,702 websites that are Microdata for Google Shopping Customers. We know of 2,321,522 live websites using Microdata for Google Shopping and an additional 4,132,180 sites that used Microdata for Google Shopping historically and 1,105,453 websites in the United States.
Microdata for Google Shopping websites that are also using other technologies.
Get a list of 6,453,702 websites using Microdata for Google Shopping which includes location information, hosting data, contact details, 2,321,522 currently live websites and an additional 1,188,491 domains that redirect to sites in this list. 4,132,180 sites that used this technology previously and 1,105,453 websites in the United States currently using Microdata for Google Shopping.
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