What does #/ means in url?

Question

I am working on ROR web apps. My webpage url looks like below-

http://dev.ibiza.jp:3000/facebook/report?advertiser_id=2102#/dashboard

Here

Answer 1

after # is the hash of the location; the ! the follows is used by search engines to help index AJAX content. After that can be anything, but is usually rendered to look as a path (hence the /)