A tutorial on how to implement Server-Sent Events for logged-in users. Server will send updated content specific to that logged-in user.

Google access tokens expire after an hour. But instead of asking the user to re-login, it is better to refresh the old access token without any user intervention.

Google OAuth API provides a simple way of integrating Login with Google feature in your web application. Login and signup in your website can be implemented. User data such as name, email can also be fetched.