

Link Forensics: Finding Shady Links Before Taking on New Clients
What happened was that their past had just caught up with them. They had previously engaged a local SEO firm with tactics that were a bit past their sell-by date (mainly consisting of a huge link network of sub-domains off the SEO company's own site and some other properties). There was not only a question of tactics here, but also of plain common sense - not only was part of the link network on the SEO company's site, but so were proud links to "our clients" (all of whom got slapped, we believe).