Wayback Machine: Difference between revisions

Revision as of 15:56, 25 August 2025

Latest revision as of 19:13, 29 August 2025

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The '''Wayback Machine''' is a [[digital]] [[archive]] of the [[World Wide Web]] founded by the [[Internet Archive]], an [[501(c)(3) organization|American nonprofit organization]] based in [[San Francisco]], [[California]]. Launched for public access in 2001, the service allows users to go "back in time" to see how websites looked in the past. Founders [[Brewster Kahle]] and [[Bruce Gilliat]] developed the Wayback Machine to provide "universal access to all knowledge" by preserving archived copies of defunct web pages.<ref>{{Cite web |last=Kahle |first=Brewster |date=November 23, 2005 |title=Universal Access to all Knowledge |url=https://archive.org/details/SDForumBK |archive-date=August 14, 2022 |archive-url=https://web.archive.org/web/20220814164546/https://archive.org/details/SDForumBK |access-date=June 5, 2022 |website=[[Internet Archive]]}}</ref>

The Wayback Machine's earliest archives go back at least to 1995, and by the end of 2009, more than 38.2 billion webpages had been saved. As of November 2024, the Wayback Machine has archived more than 916 billion web pages and well over 100 [[petabytes]] of data.<ref>{{Cite web |title=Internet Archive: Wayback Machine |url=https://web.archive.org/ |archive-url=https://web.archive.org/web/20230313021854/https://archive.org/web/ |archive-date=March 13, 2023 |website=web.archive.org}} The current number of archived pages can be seen at the archive's [https://web.archive.org/ home page].</ref><ref>{{cite web |last1=Kahle |first1=Brewster |title=A Message from Internet Archive Founder, Brewster Kahle |url=https://archive.org/donate |website=Internet Archive |access-date=January 10, 2024}}</ref>