World wide web has become a crucial part of our lives be it socially, culturally or economically. Web engineering refers to the technology and the practice of systematically and quantifiably developing good quality web search engines, web based applications and systems, etc. It incorporates elements from various fields like software engineering, human-computer interaction, information engineering, project management and graphic design, etc. This book unfolds the innovative aspects of web engineering which will be crucial for the holistic understanding of the subject matter. Some of the diverse topics covered in it address the varied branches that fall under this category. Selected concepts that redefine this subject have been presented in this text. Coherent flow of topics, student-friendly language and extensive use of examples make this textbook an invaluable source of knowledge.