"The Security Space Web Server Survey is a survey of Web Server
software usage on the Internet broken down by 86 domains. Security
Space estimates that even though there are almost 20 million Web
sites, nearly 90 percent are 'orphans' to which no other sites
link. Security Space's Web server survey includes only those
servers referenced on other sites."
"More than 2.3 million Web sites repsonded to the November 2000