An internet site is a collection of publicly available, interlinked Website that share a single domain name. Sites can be developed as well as maintained by a specific, team, service or organization to serve a range of objectives. Together, all publicly accessible sites make up the Net. Internet sites come in a nearly countless range, including educational websites, information websites, forums, social networks sites, e-commerce sites, and so forth.
What is Pligg?

Pligg is an open source content management system that lets you easily create your own user-powered website.