A portlet is a component of the portal in which certain information within the site of the portal can be displayed in the browser. Thus the portlet is able to draw its data from the local web server or other data source. The following views describe the features of the portlet closer: 1. From the user's point of view a portlet is an application which he or she is able to display and configure in his (or her) own portal site to show personalized data. 2. From the Content Manager's point of view a portlet is a possibility to provide selective content. 3. From the Portal Manager's point of view a portlet is a content container. This container is registered in the portal, so that a user can apply it. 4. From the portal's point of view a portlet is a displaying component within a page. 5. From the programmer's point of view a portlet is a code fragment. The code fragment is completed on a portal server and supplies the portlet with content.