The present book is a comprehensive and methodological analysis of the services and information provided by the Libraries through website. The primary focus of the book is to examine, observe and analyze different search options and mechanism provided through Online Public Access Catalogue (OPAC) of library. The book is also a comparative study of various university library websites. The book, due to its internationally acknowledged subject-matter and universally applicable outcomes has the potential of international relevance and universal acceptance. Hence, this book is an essential reading for library and information community across the globe. Scientific methodology, Observational approach and statistical analysis makes the book worthy for the scholars, researchers, academicians, students and others associated with the subject of library and information science.