Microdata for adding products to Google Shopping.
https://support.google.com/merchants/answer/6069143?hl=en-AU
Widgets · eCommerce
Get access to data on 5,995,835 websites that are Microdata for Google Shopping Customers. We know of 2,394,098 live websites using Microdata for Google Shopping and an additional 3,601,737 sites that used Microdata for Google Shopping historically and 1,134,824 websites in the United States.
Microdata for Google Shopping websites that are also using other technologies.
Get a list of 5,995,835 websites using Microdata for Google Shopping which includes location information, hosting data, contact details, 2,394,098 currently live websites and an additional 1,340,043 domains that redirect to sites in this list. 3,601,737 sites that used this technology previously and 1,134,824 websites in the United States currently using Microdata for Google Shopping.
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