Online encyclopedia

Screenshot of the English Wikipedia article "Platypus", viewed online through a web browser.
Wikipedia is an example of an online encyclopedia, the content of which is created by volunteer contributors.

An online encyclopedia, also called an Internet encyclopedia, is a digital encyclopedia accessible through the Internet. Some examples include pre-World Wide Web services that offered the Academic American Encyclopedia beginning in 1980, Encyclopedia.com since 1998, Encarta from 2000 to 2009, Wikipedia since 2001, Encyclopædia Britannica beginning in 1994 (now at Britannica.com), and Grokipedia since 2025.

This page is issued from Wikipedia. The text is available under Creative Commons Attribution-Share Alike 4.0 unless otherwise noted. Additional terms may apply for the media files.