Implementation of Facebook SDK Connect from 2014.
https://developers.facebook.com/
JavaScript Libraries and Functions · JavaScript Library
Get access to data on 65,477 websites that are Facebook SDK 2014 Customers. We know of 4,336 live websites using Facebook SDK 2014 and an additional 61,141 sites that used Facebook SDK 2014 historically and 1,499 websites in the United States.
Get a list of 65,477 websites using Facebook SDK 2014 which includes location information, hosting data, contact details, 4,336 currently live websites and an additional 970 domains that redirect to sites in this list. 61,141 sites that used this technology previouslyand 1,499 websites in the United States currently using Facebook SDK 2014.
Countries
Financial
Group
Region