If there is no file extension on the end of the URL, how can I find out which programming language - PHP, .Net, ASP, etc. - was used to write a particular website?
For example - www.andromeda.mn.
Answers:
uptime.netcraft.com/ -- Dave Webb
builtwith.com -- Jason M
Insert after url ?=PHPE9568F34-D428-11d2-A769-00AA001ACF42 -- thomasrutter
using HTTP header viewer tool -- thomasrutter