Starting in 1996, Alexa Internet has been donating their crawl data to the Internet Archive. Flowing in every day, these data are added to the Wayback Machine after an embargo period.
Starting in 1996, Alexa Internet has been donating their crawl data to the Internet Archive. Flowing in every day, these data are added to the Wayback Machine after an embargo period.
TIMESTAMPS
The Wayback Machine - https://web.archive.org/web/20110808150830/http://www.searchengineoptimising.com:80/glossary/seo-glossary-of-terms/hub
This is a term the Jon Kleinberg came up with and it refers to sites which contain many links to other sites that are seen to be authorites on a particular subject.
SEO Resources 
