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

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:

A uniform resource locator (URL), colloquially known as web address, [6] is a reference to a resource on the World Wide Web. A URL specifies the location of a resource on a computer …

Aug 24, 2020 · 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" …

Dec 6, 2025 · 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 of the …

It's been 25 years and Wikipedia is still free. It's still created by people, not machines, and we don't run ads or put up paywalls because we're not here to make a profit off your attention. In …

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).

Easily explore Wikipedia using the topic links below. You can also search directly using the search bar. All section headers are clickable for quick navigation.

Wikipedia is the largest and most-read reference work in history. [2][3] Initially available only in English, Wikipedia exists in over 340 languages and is the world's ninth most visited website.

Wikipedias are places where people work together to write encyclopedias in different languages. We use Simple English words and grammar here. The Simple English Wikipedia is for …