Building a web app begins by outlining user roles, essential scenarios, and the data schema. A strong MVP concentrates on main flows, intuitive navigation, and reliable UI elements, enabling the product to launch rapidly without becoming a brittle collection of ad-hoc screens.

Post-launch, scalability and dependability are paramount: performance budgets, caching strategies, secure sign-in, and clean API agreements. With effective monitoring, automated deployment pipelines, and deliberate architecture, teams can iterate swiftly while maintaining codebase stability as features and traffic expand.