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/20110106201206/http://www.searchengineoptimising.com/glossary/glossary-of-computer-and-internet-terms/rss
RSS (RDF Site Summary) is a method of updating a web site's content in XML format. It is used to update news stories and software updates. An RSS enabled browser is needed to access these feeds.