Web application development remains vital in the business world despite the rise of mobile applications.Web applications, stored on servers and accessed through browsers, offer scalability and accessibility.They differ from websites by providing real-time updates and interactive features.The process involves user queries to servers, data processing, and real-time interface updates.To build a robust web app, a structured process from planning to deployment is crucial.Key steps include ideation, market validation, core functionality mapping, and budget setting.Design elements like fonts, color palettes, and responsive layouts enhance user experience.Frontend technologies like React, Angular, and backend technologies like Django, Flask are commonly used.Thorough testing, including functionality, usability, and security testing, is essential before deployment.Post-deployment maintenance and support are crucial for bug fixes, updates, and security enhancements.