From Seo Wiki - Search Engine Optimization and Programming Languages
A Web Part, also called a Web Widget, is an ASP.NET server control which is added to a Web Part Zone on Web Part Pages by users at run time. The controls enable end users to modify the content, appearance, and behavior of Web pages directly from a browser.
Web Parts can be used as an add-on ASP.NET technology to Windows SharePoint Services.
- iView (SAP NetWeaver portal)
- Web widget
- Windows SharePoint Services
- SharePoint Portal Server
- Microsoft Office SharePoint Server 2007