Have you dropped off the Google index and not sure why? You may want to check your page in Google webmaster tools to see if you have been hacked. If you are not sure, Google has some easy solutions to identify the problem.

A new search option in Google results pages may help you take a glimpse into what lies behind a URL. This search function should help us to identify pages easier as well as give us a heads up to spam pages that we usually kill the minute we see them.