An example webapp in Common Lisp using Hunchentoot and stuff.
Put this code somewhere Quicklisp can see it, and do:
> (ql:quickload :webapp)
> (webapp:start-server)
Then you can point your browser to http://127.0.0.1/ for a little
hello, or http://127.0.0.1/say?number=123456 for a little magic.