Can I use Firebase database for my website?

The website we will be deploying here is a tutorial website.

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.

Yes, you can connect an Web app and an Android app to the same Firebase project and then share the same database, cloud storage, and other resources between them .