Concept

Alexa Internet

Alexa Internet, Inc. was an American web traffic analysis company based in San Francisco. It was a wholly-owned subsidiary of Amazon. Alexa was founded as an independent company in 1996 and acquired by Amazon in 1999 for 250millioninstock.Alexaprovidedwebtrafficdata,globalrankings,andotherinformationonover30millionwebsites.AlexaestimatedwebsitetrafficbasedonasampleofmillionsofInternetusersusingbrowserextensionsaswellasfromsitesthathadchosentoinstallanAlexascript.Asof2020,itswebsitewasvisitedbyover400millionpeopleeverymonth.InDecember2021,AmazonannouncedthatitwouldbeshuttingdownitsAlexaInternetsubsidiary.TheservicewasthendiscontinuedonMay1,2022.AlexaInternetwasfoundedinApril1996byBrewsterKahleandBruceGilliat.ThecompanysnamewaschoseninhomagetotheLibraryofAlexandriainPtolemaicEgypt,drawingaparallelbetweenthelargestrepositoryofknowledgeintheancientworldandthepotentialoftheInternettobecomeasimilarstoreofknowledge.AlexainitiallyofferedatoolbarthatgaveInternetuserssuggestionsonwheretogonextbasedonthetrafficpatternsofitsusercommunity.Thecompanyalsoofferedcontextforeachsitevisited:towhomitwasregistered,howmanypagesithad,howmanyothersitespointedtoit,andhowfrequentlyitwasupdated.Alexasoperationsgrewtoincludethearchivingofwebpagesastheyare"crawled"andexaminedbyanautomatedcomputerprogram(nicknameda"bot"or"webcrawler").ThisdatabaseservedasthebasisforthecreationoftheInternetArchive,accessiblethroughtheWaybackMachine.In1998,thecompanydonatedacopyofthearchive,twoterabytesinsize,totheLibraryofCongress.AlexacontinuedtosupplytheInternetArchivewithwebcrawls.In1999,asthecompanymovedawayfromitsoriginalvisionofprovidingan"intelligent"searchengine,AlexawasacquiredbyAmazon.comforapproximatelyUS250 million in stock. Alexa provided web traffic data, global rankings, and other information on over 30 million websites. Alexa estimated website traffic based on a sample of millions of Internet users using browser extensions as well as from sites that had chosen to install an Alexa script. As of 2020, its website was visited by over 400 million people every month. In December 2021, Amazon announced that it would be shutting down its Alexa Internet subsidiary. The service was then discontinued on May 1, 2022. Alexa Internet was founded in April 1996 by Brewster Kahle and Bruce Gilliat. The company's name was chosen in homage to the Library of Alexandria in Ptolemaic Egypt, drawing a parallel between the largest repository of knowledge in the ancient world and the potential of the Internet to become a similar store of knowledge. Alexa initially offered a toolbar that gave Internet users suggestions on where to go next based on the traffic patterns of its user community. The company also offered context for each site visited: to whom it was registered, how many pages it had, how many other sites pointed to it, and how frequently it was updated. Alexa's operations grew to include the archiving of web pages as they are "crawled" and examined by an automated computer program (nicknamed a "bot" or "web crawler"). This database served as the basis for the creation of the Internet Archive, accessible through the Wayback Machine. In 1998, the company donated a copy of the archive, two terabytes in size, to the Library of Congress. Alexa continued to supply the Internet Archive with web crawls. In 1999, as the company moved away from its original vision of providing an "intelligent" search engine, Alexa was acquired by Amazon.com for approximately US250 million in Amazon stock.

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