Disable PHPSESSID
Session IDs in PHP can cause some real problems when search engines
index your pages. For this reason, you should disable PHPSESSID on
your sites, and keep session IDs in cookies instead. If you disable
PHPSESSID in the URL, this can become a usability issue, as all
visitors must have cookies enabled to make use of any code that
requires sessions (such as login scripts). This is unfortunate,...
> articles/26/disable-phpsessid/


