A real-world, repeatable 4-stage diagnostic that uses Claude to triage post-update traffic drops — intent match, E-E-A-T gaps, content quality vs. the SERP, and internal linking. Includes the prioritization matrix, the actual prompt, and a worked example from a December 2025 hit.
A 5-step, sprint-based playbook for refreshing a large content archive with Claude and Google Search Console — built around three measurement gates that keep you out of Helpful Content trouble.