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/20120120202625/http://www.searchengineoptimising.com:80/glossary/seo-glossary-of-terms/acquisitioncost
The acquisition cost is the total cost of advertising a website has used divided either by the total number of visitors, or the total number of customers the site has received.