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The Internet Archive is an American nonprofit digital library founded in 1996 by Brewster Kahle.[1][2][4] It provides free access to collections of digitized materials including websites, software applications, music, audiovisual, and print materials. The Archive also advocates for a free and open Internet. As of February 4, 2024[update], the Internet Archive held more than 44 million print materials, 10.6 million videos, 1 million software programs, 15 million audio files, 4.8 million images, 255,000 concerts, and over 835 billion web pages in its Wayback Machine.[5] Its mission is committing to provide "universal access to all knowledge".[5]
The Internet Archive allows the public to upload and download digital material to its data cluster, but the bulk of its data is collected automatically by its web crawlers, which work to preserve as much of the public web as possible. Its web archive, the Wayback Machine, contains hundreds of billions of web captures.[6][7] The Archive also oversees numerous book digitization projects, collectively one of the world's largest book digitization efforts.
Brewster Kahle founded the Archive in May 1996, around the same time that he began the for-profit web crawling company Alexa Internet.[8][9] The earliest known archived page on the site was saved on May 10, 1996, at 2:42 pm UTC (7:42 am PDT). By October of that year, the Internet Archive had begun to archive and preserve the World Wide Web in large amounts.[10][11][12][13][14] The archived content became more easily available to the general public in 2001, through the Wayback Machine.
In late 1999, the Archive expanded its collections beyond the web archive, beginning with the Prelinger Archives. Now, the Internet Archive includes texts, audio, moving images, and software. It hosts a number of other projects: the NASA Images Archive, the contract crawling service Archive-It, and the wiki-editable library catalog and book information site Open Library. Soon after that, the Archive began working to provide specialized services relating to the information access needs of the print-disabled; publicly accessible books were made available in a protected Digital Accessible Information System (DAISY) format.[15]
Most societies place importance on preserving artifacts of their culture and heritage. Without such artifacts, civilization has no memory and no mechanism to learn from its successes and failures. Our culture now produces more and more artifacts in digital form. The Archive's mission is to help preserve those artifacts and create an Internet library for researchers, historians, and scholars.
In August 2012, the Archive announced[17] that it has added BitTorrent to its file download options for more than 1.3 million existing files, and all newly uploaded files.[18][19] This method is the fastest means of downloading media from the Archive, as files are served from two Archive data centers, in addition to other torrent clients which have downloaded and continue to serve the files.[18][20] On November 6, 2013, the Internet Archive's headquarters in San Francisco's Richmond District caught fire,[21] destroying equipment and damaging some nearby apartments.[22] According to the Archive, it lost a side-building housing one of 30 of its scanning centers; cameras, lights, and scanning equipment worth hundreds of thousands of dollars; and "maybe 20 boxes of books and film, some irreplaceable, most already digitized, and some replaceable".[23] The nonprofit Archive sought donations to cover the estimated $600,000 in damage.[24]
In November 2016, Kahle announced that the Internet Archive was building the Internet Archive of Canada, a copy of the Archive to be based somewhere in Canada. The announcement received widespread coverage due to the implication that the decision to build a backup archive in a foreign country was because of the upcoming presidency of Donald Trump.[27][28][29] Kahle was quoted as saying:
Since 2018, the Internet Archive visual arts residency, which is organized by Amir Saber Esfahani and Andrew McClintock, helps connect artists with the Archive's over 48 petabytes[31] of digitized materials. Over the course of the yearlong residency, visual artists create a body of work which culminates in an exhibition. The hope is to connect digital history with the arts and create something for future generations to appreciate online or off.[32] Previous artists in residence include Taravat Talepasand, Whitney Lynn, and Jenny Odell.[33]
The Internet Archive acquires most materials from donations,[34] such as hundreds of thousands of 78 rpm discs from Boston Public Library in 2017,[35] a donation of 250,000 books from Trent University in 2018,[36] and the entire collection of Marygrove College's library in 2020 after it closed.[37] All material is then digitized and retained in digital storage, while a digital copy is returned to the original holder and the Internet Archive's copy, if not in the public domain, is lent to patrons worldwide one at a time under the controlled digital lending (CDL) theory of the first-sale doctrine.[38]
During the week of May 27, 2024, The Internet Archive suffered a series of distributed denial of service (DDoS) attacks that made its services unavailable intermittently, sometimes for hours at a time, over a period of several days.[39][40][41]
The Archive is a 501(c)(3) nonprofit operating in the United States. In 2019, it had an annual budget of $36 million, derived from revenue from its Web crawling services, various partnerships, grants, donations, and the Kahle-Austin Foundation.[42] The Internet Archive also manages periodic funding campaigns. For instance, a December 2019 campaign had a goal of reaching $6 million in donations.[43]
The Archive is headquartered in San Francisco, California. From 1996 to 2009, its headquarters were in the Presidio of San Francisco, a former U.S. military base. Since 2009, its headquarters have been at 300 Funston Avenue in San Francisco, a former Christian Science Church. At one time, most of its staff worked in its book-scanning centers; as of 2019, scanning is performed by 100 paid operators worldwide.[44] The Archive also has data centers in three Californian cities: San Francisco, Redwood City, and Richmond. To reduce the risk of data loss, the Archive creates copies of parts of its collection at more distant locations, including the Bibliotheca Alexandrina[45][46] in Egypt and a facility in Amsterdam.[47]
The Internet Archive capitalized on the popular use of the term "WABAC Machine" from a segment of The Adventures of Rocky and Bullwinkle cartoon (specifically, Peabody's Improbable History), and uses the name "Wayback Machine" for its service that allows archives of the World Wide Web to be searched and accessed.[51] This service allows users to view some of the archived web pages. The Wayback Machine was created as a joint effort between Alexa Internet (owned by Amazon.com) and the Internet Archive when a three-dimensional index was built to allow for the browsing of archived web content.[52] Hundreds of billions of web sites and their associated data (images, source code, documents, etc.) are saved in a database. The service can be used to see what previous versions of web sites used to look like, to grab original source code from web sites that may no longer be directly available, or to visit web sites that no longer even exist. Not all web sites are available because many web site owners choose to exclude their sites. As with all sites based on data from web crawlers, the Internet Archive misses large areas of the web for a variety of other reasons. A 2004 paper found international biases in the coverage, but deemed them "not intentional".[53] In 2017, the Wayback Machine director announced that its crawlers would ignore robots.txt instructions and archive pages even if website owners asked bots not to access them.[54]
A "Save Page Now" archiving feature was made available in October 2013,[55] accessible on the lower right of the Wayback Machine's main page.[56] Once a target URL is entered and saved, the web page will become part of the Wayback Machine.[55]Through the Internet address web.archive.org,[57] users can upload to the Wayback Machine a large variety of contents, including PDF and data compression file formats. The Wayback Machine creates a permanent local URL of the upload content, that is accessible in the web, even if not listed while searching in the official website.
In October 2016, it was announced that the way web pages are counted would be changed, resulting in the decrease of the archived pages counts shown. Embedded objects such as pictures, videos, style sheets, JavaScripts are no longer counted as a "web page", whereas HTML, PDF, and plain text documents remain counted.[58]
Created in early 2006, Archive-It[82] is a web archiving subscription service that allows institutions and individuals to build and preserve collections of digital content and create digital archives. Archive-It allows the user to customize their capture or exclusion of web content they want to preserve for cultural heritage reasons. Through a web application, Archive-It partners can harvest, catalog, manage, browse, search, and view their archived collections.[83]
In terms of accessibility, the archived web sites are full text searchable within seven days of capture.[84] Content collected through Archive-It is captured and stored as a WARC file. A primary and back-up copy is stored at the Internet Archive data centers. A copy of the WARC file can be given to subscribing partner institutions for geo-redundant preservation and storage purposes to their best practice standards.[85] Periodically, the data captured through Archive-It is indexed into the Internet Archive's general archive.
As of March 2014[update], Archive-It had more than 275 partner institutions in 46 U.S. states and 16 countries that have captured more than 7.4 billion URLs for more than 2,444 public collections. Archive-It partners are universities and college libraries, state archives, federal institutions, museums, law libraries, and cultural organizations, including the Electronic Literature Organization, North Carolina State Archives and Library, Stanford University, Columbia University, American University in Cairo, Georgetown Law Library, and many others.