I have a new site with 0 backlinks . For PR increasing , i must have baclinks from sites with the same topic(category). Supose i can obtain 30 backlink per day, but google want "natural backlinks" . You know by your experience haw many backlinks it is good to obtain per day/month? I am thinking to obtain 1 backlink/day in the firs month ,2 links per day in second manth etc Any advice will be aprecciate.