#! In a URL, what does it mean?

Question

Possible Duplicate:
What's the shebang (#!) in Facebook and new Twitter URLs for?

#! What does it mean in a URL ? I found it in facebook & twitter url !

http://www.facebook.com/#!/
http://www.facebook.com/#!/?sk=messages
http://www.facebook.com/#!/?sk=ff&ap=1

http://twitter.com/#!/messages
http://twitter.com/#!/BillGates

Duplicate of http://stackoverflow.com/questions/3935250/what-does-this-untypical-link-format-means which duplicates http://stackoverflow.com/questions/3009380/whats-the-shebang-in-facebook-urls-for — dmckee --- ex-moderator kitten, Oct 15 '10 at 02:54

score 3 · Accepted Answer · answered Oct 15 '10 at 02:50

3

This is called the shebang URL hash, used to hint to search engines that this site is using Ajax to display another page.

answered Oct 15 '10 at 02:50

Jacob Relkin

score 2 · Answer 2 · answered Oct 15 '10 at 02:50

2

answered Oct 15 '10 at 02:50

alex

2 Answers2