Domain Verification provides a way for you to claim ownership of your domain in Facebook Business Manager.
https://developers.facebook.com/docs/sharing/domain-verification/
Frameworks
Get access to data on 2,360,795 websites Facebook Domain Verification Customers. We know of 1,595,332 live websites using Facebook Domain Verification and an additional 765,463 sites that used Facebook Domain Verification historically and 689,680 websites in the United States.
Get a list of 2,360,795 websites using Facebook Domain Verification which includes location information, hosting data, contact details, 1,595,332 currently live websites and an additional 2,744,507 domains that redirect to sites in this list. 765,463 sites that used this technology previouslyand 689,680 websites in the United States currently using Facebook Domain Verification.
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