Choosing the Right Authentication Approach
A practical look at deciding between sessions and JWTs, and why I often prefer secure cookies for user-facing production apps.
Authentication is one of those areas where the industry trend doesn't always align with the most practical solution. For a long time, JSON Web Tokens (JWTs) were the default answer for everything. But when building actual production applications, especially user-facing dashboards or SaaS products, JWTs introduce a lot of hidden complexity—primarily around revocation. If a user's account is compromised, or they just want to log out of all devices, invalidating a stateless JWT is surprisingly difficult without building a cumbersome blacklist.
That's why, for most fullstack web applications I build, I lean heavily towards traditional, database-backed sessions with HttpOnly, SameSite=Strict secure cookies. It's a proven, boring technology. It gives me absolute control over the session lifecycle directly from the server, entirely eliminates the risk of XSS token theft, and keeps the frontend code incredibly simple since the browser handles the cookie automatically.
I still use JWTs, but I reserve them for what they do best: stateless service-to-service communication or short-lived access grants. Choosing the right auth method isn't about using the newest tech; it's about finding the balance between security, user experience, and long-term maintainability for the specific product at hand.