Jun 10, 2017. I heard about Private Blog Networks, or PBNs for short, a while back around the same time that I heard about niche websites. PBNs seemed very. Deindexing the networks removed any value provided by the backlinks to websites. The free account is the perfect way to get started on PBNs on the cheap. I’ve covered some pretty controversial topics in recent weeks when it comes to SEO….