Wiki

"A wiki (IPA: &lt;WICK-ee&gt; or  &lt;WEE-kee&gt; ) is a type of  that allows users to easily add, remove, or otherwise edit and change some available content." – from Wikipedia, August 17th, 2006

Sasukepedia is a wiki website.

Any website based on any kind of wiki software (such as MediaWiki, which Sasukepedia uses) which enables users to add to, edit, and delete from the site's content quickly is commonly referred to as a "wiki".