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/20110107044620/http://www.searchengineoptimising.com/glossary/glossary-of-computer-and-internet-terms/wysiwyg
WYSIWYG means What you See Is What You Get and it means that what you see on screen should be what you get when the screen is printed out. However for HTML this is not always what happens.