Wayback Machine

<p>The Wayback Machine is a digital archive of the <a href="/facts/World_Wide_Web/wvnTrWFq">World Wide Web</a> founded by <a href="/facts/Internet_Archive/PHStU8Lo">Internet Archive</a>, an <a href="/facts/501(c)(3)_organization/4KIsNFYp">American nonprofit organization</a> based in <a href="/facts/San_Francisco/cb9l7hbC">San Francisco</a>, <a href="/facts/California/zLW2vdQJ">California</a>. Launched for public access in 2001, the service allows users to go "back in time" to see how websites looked in the past. Founders <a href="/facts/Brewster_Kahle/0Ptbwhuu">Brewster Kahle</a> and <a href="/facts/Bruce_Gilliat/58n8WyBs">Bruce Gilliat</a> developed the Wayback Machine to provide "universal access to all knowledge" by preserving archived copies of defunct web pages.
</p><p>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 <a href="/facts/Petabytes/BNHUp9Qq">petabytes</a> of data.
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Wayback Machine open-in-new

Wayback Machine