: Is it good to have ONLY social login in my website? Is it good to have ONLY social login in my website? I am developing a website and planning to implement only social login for users, instead

@Kevin317

While using social login does let you avoid dealing with user management, some of the more obvious downsides are:


You automatically exclude anyone not using the service(s) in question. Yes, even Facebook.
There are people who have personal policies of membership in those services but not using them for external login. (Increased tracking, etc.)
If the person decides to leave the service or just take a break, they are then also locked out of your site as a result. Remember you can deactivate though not delete your Facebook account.
Following from that, even if you allow login from multiple services, they can't switch from using eg. Facebook to Google+, because there's no "local" identity to handle the transfer.
At the far end of things, if the service has an outage of some kind or even shuts down, you're left scrambling to figure out how your users can continue using your site.


There was a case study post done in the last year or so that I can't find from the developer of a fairly large service that outlined several other lower-level problems with using only social logins. His conclusion was that it's generally best to create your own registration system, even if it's minimal, and then allow people to attach their social logins to it.

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