This book discussed about the design and development of web portal for the subject. A subject portal can assist the students in e-learning by providing wide variety of digital resources and web based library services. Subject portals are important tools for users to access and utilize library and information services over a network. After knowing the demand of this kind of portal, the authors developed a subject portal in Bioinformatics discipline to assist to the learners in accessing variety of information related to their subject in a single login. This book consists of seven chapters like i) Concepts of Web Portal, ii) Previous Studies on Web Portals, iii) Design of Web Portal by Open Source Software, iv) Research Design and Methodology, y) Design and Development of Web Prototype Portal, vi) An Evaluation of Bioinformatics Portal, and vii) Findings and Conclusion on Web Portal. we are sure that this book would be valuable addition to the library and Information Science literature.