online encyclopedia
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AI overview
An online encyclopedia is a collection of informational articles that you can access through the internet using a web browser. It matters because it makes a vast amount of knowledge available to anyone with internet access, without needing to own physical books or visit a library.
AI-generated from the Wikipedia summary — may contain errors.
Article
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 since 2016, and Grokipedia since 2025.