Requirements specification and analysis, Web-based systems development methodologies and techniques ,Migration of legacy systems to Web environments ,Web-based real-time applications development, Testing , verification and validation ,Quality assessment, control and assurance, Configuration and project management, “Web metrics” – generating metrics for estimation of development efforts, Performance specification and evaluation ,Update and maintenance, Development models, teams, staffing, Integration with legacy systems, Human and cultural aspects, User-centric development, user modeling and user involvement and feedback, End-user application development.