An internet site is a collection of publicly available, interlinked Internet pages that share a single domain name. Sites can be produced as well as preserved by a specific, group, business or organization to offer a variety of functions. Together, all publicly available websites comprise the World Wide Web. Web sites are available in an almost limitless selection, consisting of instructional websites, information sites, forums, social media websites, e-commerce websites, and so on.
What is Pligg?

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