Alain Aubert
Legendäres Mitglied
Lesen!
http://www.mattcutts.com/blog/improved-seo...ntation-galore/
Matt Cutts über robots.txt, cloaking, nofollow, etc
http://www.mattcutts.com/blog/improved-seo...ntation-galore/
Matt Cutts über robots.txt, cloaking, nofollow, etc