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 2,366,835 websites Facebook Domain Verification Customers. We know of 1,614,638 live websites using Facebook Domain Verification and an additional 752,197 sites that used Facebook Domain Verification historically and 706,050 websites in the United States.
Get a list of 2,366,835 websites using Facebook Domain Verification which includes location information, hosting data, contact details, 1,614,638 currently live websites and an additional 2,756,295 domains that redirect to sites in this list. 752,197 sites that used this technology previouslyand 706,050 websites in the United States currently using Facebook Domain Verification.
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