
Two-factor authentication should be secure, but it shouldn’t frustrate users. This guide explores standard 2FA user flow patterns for SMS, TOTP, and biometrics, along with edge cases, recovery strategies, and UX best practices.

2FA has evolved far beyond simple SMS codes. This guide explores authentication methods, UX flows, recovery strategies, and how to design secure, frictionless two-factor systems.

Designing for background jobs means designing for uncertainty. Learn how to expose job states, communicate progress meaningfully, handle mixed outcomes, and test async workflows under real-world conditions.

There’s no universally “best” design language. This section breaks down when Linear-style design works well, how to build beyond it (or start from Radix UI), why it felt overused in SaaS marketing, and why conversion claims still need real testing.