Why Doesn't Closing A Tab Delete A Session Cookie?

Question

I\'m using session-based cookies with my website. To my complete surprise, I noticed if I set a session cookie (not a persistent cookie), close a tab, and then reconnect to

Answer 1

This is by design and trying to change it is a very bad idea. What if a user opens a link in a new tab and closes that? Should the session in the original tab be destroyed? Of course not! This demonstrates why you should not even think about this.

A session ends when the last browser window closes. If you want something else, you:

1. do not want sessions;
2. need to make your own "mini-session" infrastructure;
3. are probably in for a world of hurt and bugs.