In this paper, the nature of corporate portals with regards to its information or knowledge content is explored. Generally, portals are web-based information systems developed as websites. A portal is also known as a corporate portal for business and work purposes. In this research, the web portal information resources and services provided in an organization in relation to the information and knowledge contents were investigated. Next, the handling of information or knowledge contents was analyzed. Two case studies were conducted to explore the nature of corporate portal contents in real-life in regards to adoption and use of information and/or knowledge. The findings showed that knowledge management practice is related to the creation, implementation and use of a knowledge portal. Thisresearch creates awareness on the distinction between information portals and knowledge portals. The targeted audience of this research is the web portal designers, website developers, portal providers, management that endorse the use of portal technology and the corporate portal user communities.