Too Long; Didn't Read
If the user is logged into the browser, then it will be quite simple for you to just redirect the user to the target screen and be done with it (Just one click and bingo!). But that is not always the case, in fact, most of the times (if you are not <a href="https://hackernoon.com/tagged/google" target="_blank">Google</a>/Facebook), the user won’t be logged into the browser at all for your page. What can you do to solve such a problem?