List of web directories

List of most popular websites The following is a list of the 100 most popular websites, worldwide. Ranking measures Alexa traffic rank Alexa Internet ranks websites based on a combined measure of page views and unique site users. Linking root domains The number of linking root domains is a measure of how many external sites link to the website in question. Google Display Network Ad Planner The Google Display Network Ad Planner measures the number of unique visitors, for use by Google's advertisers. List of websites Notes Jump up ^ Google does not rank itself in its Network Ad Planner.Jump up ^ But adplanner has been discontinued by google as per 05 Jan 2014 source - pending . References Alexa Da Wikipedia, l'enciclopedia libera. La Alexa Internet Inc. è un'azienda statunitense sussidiaria di Amazon.com che si occupa di statistiche sul traffico di Internet. Alexa è anche un motore di ricerca con un servizio di web directory. Storia ed attività[modifica | modifica sorgente] Alexa Internet è stata fondata nel 1996 da Brewster Kahle e da Bruce Gilliat.[1] Inizialmente offriva una barra di navigazione che guidava gli utenti di internet in base alle strutture del traffico della maggior parte degli utenti; in seguito ha fornito informazioni riguardanti i contenuti di ciascuno dei siti visitati: il proprietario, il numero di pagine componenti il sito, il numero di collegamenti che puntavano al sito e la frequenza degli aggiornamenti.[2] Inoltre fornisce web crawls all'Internet Archive. Nel 1999 l'azienda è stata acquistata per 250 milioni di dollari da Amazon.[4] I traffic ranking di Alexa e la barra degli strumenti di Alexa[modifica | modifica sorgente]

Alexa Internet Operations and history[edit] Alexa Internet was founded in 1996 by American web entrepreneurs Brewster Kahle and Bruce Gilliat.[4] The company's name was chosen in homage to the Library of Alexandria,[5] 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. The company offered a toolbar that gave Internet users suggestions on where to go next, based on the traffic patterns of its user community. Alexa 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.[6] Alexa's operation includes archiving of webpages as they are crawled. In 1999, Alexa was acquired by Amazon.com for about US$250 million in Amazon stock[8] as the company moved away from its original vision of providing an "intelligent" search engine. In April 2007, the lawsuit Alexa v. Tracking[edit] Toolbar[edit]

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