Google's New AI Spam Detector Judges Networks, Not Pages — High-AI Sites Are Already Slipping

Sites Ahrefs flags "Very high" on AI Content Level have shown organic traffic declines over the past month, coinciding with Google's June 2026 spam update. Sites Ahrefs flags "Very high" on AI Content Level have shown organic traffic declines over the past month, coinciding with Google's June 2026 spam update. How Google's S-CTS Detects Spam Content ClustersTraditional quality filters evaluate one piece of content at a time. Related Article: Google's AI Search Playbook Is Here. Spoiler: SEO Still MattersWhat Matters Here: What Are Generation Clusters In Google's Spam Detection System?