2.1.1.2.3 Web Components

Because of their integration with IIS and ASP.NET, SharePoint Products and Technologies implements a full Web server that is capable of storing and delivering user content over HTTP and HTTP extensions. Web pages on SharePoint sites use the ASP.NET framework for rendering and executing Web content. Such Web pages include those that are installed by default as well as those that are customized. In addition, SharePoint Products and Technologies uses ASP.NET Web Parts for customizing and reusing Web content.