What is Firebase mostly used for?

What is the purpose of Firebase? It is designed to allow mobile and web front-end developers to access cloud-based server functionality without the need for a server.

Firebase is a fully managed backend service that gives you best-in-class infrastructure for your web apps , handling everything from user authentication and server scaling, right through to crash analytics and a reliable testing environment.

Firebase is a fully managed backend service that gives you best-in-class infrastructure for your web apps , handling everything from user authentication and server scaling, right through to crash analytics and a reliable testing environment.