I believe it is, since Kontera is in-text advertising while Adsense ads are separated from the actual content. Just looking at the similar threads below, you can find the info you're looking for: http://forums.digitalpoint.com/showthread.php?t=516371 http://forums.digitalpoint.com/showthread.php?t=448077 http://forums.digitalpoint.com/showthread.php?t=268894
yes it is OK because Adsense ads is targeted to users with the use of keywrod relevancy and does not have anything to do with keyword link adverts like what Kontera is all about.