The large majority of external factors that influence organic rankings fall within the classification of link building. There have been great debates in recent months that the ranking impact that can be derived through social media signals falls outside of “traditional” link building. That is valid, and will continue to be debated.
It seems there are few topics within SEO or digital marketing that are as highly contested and controversial as link building. As the SEO Tactics chart was developed, it became obvious that off-site influences would be a core pillar.