A way for users to log into your app using Facebook.
https://developers.facebook.com/docs/facebook-login/
Widgets · Login
Get access to data on 3,785,922 websites that are Facebook Login Customers. We know of 1,725,340 live websites using Facebook Login and an additional 2,060,582 sites that used Facebook Login historically and 726,223 websites in the United States.
Get a list of 3,785,922 websites using Facebook Login which includes location information, hosting data, contact details, 1,725,340 currently live websites and an additional 1,418,326 domains that redirect to sites in this list. 2,060,582 sites that used this technology previously and 726,223 websites in the United States currently using Facebook Login.
Countries
Financial
Group
Region