[lizza]

I haven't looked deep into these things..
Nice find.

Originally Posted by gastongr

Default vBulletin URLs look like this:

Forum Category Pages
/forumdisplay.php?f=1

Thread Pages
/showthread.php?t=1

Member Profile Pages
/member.php?u=1

vBSEO uses the apache's mod_rewrite module to 'convert' the URLs to something like this:

Forum Category Pages
/forum-name/

Thread Pages
/forum-name/thread-title.html

Member Profile Pages
members/username.html


Having 'relevant', unique URLs with keywords inside them helps SEO.