so i have a few sites of my own where i allow people who already have an account on my site can link their facebook and other profiles to their account and allows them to sign in with said linked accounts.
to explain what i am talking about you can try out my other website where i have it implemented already https://edmgods.com/
to explain what i am talking about you can try out my other website where i have it implemented already https://edmgods.com/