Building a web app begins by outlining user roles, primary use cases, and the data model. An effective MVP concentrates on essential flows, intuitive navigation, and consistent UI elements, enabling rapid delivery without transforming into a fragile collection of bespoke screens.

Following launch, scalability and reliability become the top priorities: performance budgets, caching strategies, strong authentication, and clean API contracts. With solid monitoring, CI/CD practices, and a well-considered architecture, teams can iterate more quickly while keeping the codebase stable as features and traffic grow.