Web application development begins by defining user roles, key scenarios, and the data model. A solid MVP concentrates on essential flows, intuitive navigation, and consistent UI components, so the product ships quickly without becoming a fragile collection of one-off screens.

After launch, scalability and reliability are the top priorities: performance budgets, caching, secure authentication, and clean API contracts. With proper monitoring, CI/CD, and thoughtful architecture, teams can iterate faster while keeping the codebase stable as features and traffic grow.