Web app development begins by outlining user roles, key scenarios, and the data model. A solid MVP concentrates on essential flows, intuitive navigation, and consistent UI elements, enabling rapid delivery without evolving into a brittle collection of ad-hoc screens.

Following launch, scalability and reliability take precedence: performance budgets, caching strategies, secure login, and clean API contracts. With proper monitoring, CI/CD pipelines, and a well-thought-out architecture, teams can iterate more quickly while keeping the codebase stable as features and traffic grow.