An internet site is a collection of publicly available, woven Web pages that share a single domain. Sites can be created as well as maintained by a private, group, service or company to offer a variety of functions. Together, all publicly easily accessible internet sites make up the Internet. Websites come in a nearly endless range, consisting of instructional websites, news websites, discussion forums, social networks websites, e-commerce sites, and more.
What is Pligg?

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