Everything You Need To Know About Frontend And Backend Authentication: Ultimate Guide

Ever been asked about frontend authentication in an interview and felt completely lost?

I was once in that position, and it was one of the most embarrassing moments of my career. I knew the basics of authentication, but I was completely unprepared to answer the interviewer’s questions about specific methods, like tokens, cookies, sessions, JWT, and single sign-on.

But that experience taught me a valuable lesson: it’s important to be familiar with all the different authentication methods available, so you can choose the right one for your needs.

In this article, I’ll take a deep dive into the world of frontend and backend authentication and present the top 10 most commonly used methods. By the end, you’ll have a solid understanding of the different options available and be able to make an informed decision about which method is right for you.

What will you learn through this article?

Before introducing authentication methods, it is essential to understand the concepts of identification, authorization, authentication, access control, and their relationships. By understanding these fundamentals, you can build a solid foundation for comprehending the topic as a whole.