Tag

#pbn

link-infrastructure

PBN Footprint Scanner: A Technical Investigation Playbook

Whether a cluster of linking domains is a private blog network is a cross-domain question, not a single-site one. This playbook works through the ordered technical checks - shared hosting and IP overlap, reused analytics IDs, WHOIS registration clustering, content patterns, and outbound link concentration - that build the evidentiary case step by step, with no single check treated as conclusive on its own.

Palash Bagchi · September 15, 2026 · 17 min read

link-quality

PBN Spam Detection: Footprints, False Positives, and Evidence

A shared host, a repeated WordPress theme, or a cluster of sites in the same niche can all look like a private blog network without being one. This piece sets the evidentiary bar for PBN spam detection: which signals are hard to fake and worth stacking, which are common coincidences that produce false positives when treated as proof on their own, and how to document a conclusion a reviewer can actually defend.

Palash Bagchi · September 15, 2026 · 17 min read