Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.

A uniform resource locator (URL), colloquially known as an address on the Web, [1] is a reference to a resource that specifies its location on a computer network and a mechanism for retrieving it.

Wikipedia is written by volunteer editors and hosted by the Wikimedia Foundation, a non-profit organization that also hosts a range of other volunteer projects:

Wikipedia[c] is a free online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, through open collaboration and the wiki software MediaWiki. Founded …

English Wikipedia's URLs begin https://en.wikipedia.org/. That address on its own is redirected to the Main Page. The page name may include a namespace prefix (such as "Help:" in this page).

The English Wikipedia is the primary [a] English-language edition of Wikipedia, an online encyclopedia. It was created by Jimmy Wales and Larry Sanger on 15 January 2001, as …

The appearance of the main page has been updated with increased computer processing power. The current design was instituted in March 2006. Past versions of the main page are kept for …

Wikipedia's software makes it easy to reverse errors, and experienced editors watch and patrol bad edits. Wikipedia differs from printed references in important ways. Anyone can instantly …

2020年8月24日 · By replacing "en" with the code for another language, you can reach the Main Page of the wikipedia in that language, if it exists. For example, replacing "mr" in place of "en" …

2025年5月10日 · A URL starting with www.wikipedia.org redirects to the corresponding one starting with en; only www.wikipedia.org itself leads to a portal page instead of the main page …