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Web Site Archives
Internet Archive maintains historical snapshots of the web.
For many years on the web, when a web page was taken down it
was lost forever, often unexpectedly. However, now you can turn
its database of old web pages to retrieve a lost
page if it was around long enough to have been indexed.
The Internet Archive is a public, nonprofit U.S.
corporation founded in 1996 to build an Internet library
with free access to researchers, historians, and scholars. It provided
shell level access until
2001 when it added a convenient web based interface called the
Wayback Machine, immediately making it widely available to everyone
over the web. The site also maintains a set of historical Usenet
newsgroup and FTP archives.
The Internet Archive is located in Presidio, California, appropriately
founded in the 17'th century by Franciscan
Friars. It also collaborates with several educational institutions, including
the Library of Congress and
the Smithsonian Institution.
The site Alexa.com also
maintained a database of web pages which it made available to The
Internet Archive, and now provides a web browser add-on that provides
a range of information about each web site you visit.