How to simplify login and registration when you can't use social login?

1. Do users prefer social login?
2. What is the use of social login?

Do users prefer social login?

Given how many users indicate they prefer social login, giving people the option to register using their social account IDs rather than a registration form is more likely to increase user engagement.

What is the use of social login?

Social login is a single sign-on (SSO) technology that allows users to authenticate themselves on various applications and sites by connecting through a social media site rather than typing a separate ID and password on each website.