The Internet Archive discovers and captures web pages through many different web crawls.
At any given time several distinct crawls are running, some for months, and some every day or longer.
View the web archive through the Wayback Machine.
Web wide crawl with initial seedlist and crawler configuration from October 2010
TIMESTAMPS
The Wayback Machine - https://web.archive.org/web/20110106201753/http://www.searchengineoptimising.com/glossary/glossary-of-computer-and-internet-terms/cpu
CPU or Central Processing Unit is sometimes thought of as a computers brain. And like a brain it controls everything that the computer does from the most complex task to the most basic function.
SEO Resources 
