Why Grouping Backlinks into Three Quality Tiers Beats Mass Email Outreach

https://spinsucks.com/social-media/inseparability-content-social-media/

Everyone defaults to mass email campaigns for outreach. The truth is that careful backlink tiering - grouping links into Tier 1, Tier 2, and Tier 3 using Domain Rating (DR), organic traffic, and a tailored spam metric - reveals a smarter path