Web app development begins with outlining user roles, key use cases, and the data model. A solid MVP emphasizes essential flows, intuitive navigation, and consistent UI components, enabling the product to ship promptly without becoming a fragile collection of ad-hoc screens.

Post-launch, scalability and reliability take precedence: performance budgets, caching strategies, secure authentication, and clean API contracts. With proper monitoring, CI/CD pipelines, and thoughtful architecture, teams can iterate more rapidly while keeping the codebase stable as features and traffic expand.