AI Search Optimization
The Power Shift to Topical Authority SEO: Why Content Clusters Win in the AI Era
Introduction For more than a decade, SEO was largely a keyword optimization discipline. Success was defined by ranking positions, keyword density, backlinks, and incremental gains on a search results page dominated by blue links. The playbook was tactical and predictable. But search has evolved – structurally. Today, discovery is increasingly mediate by AI systems. Large Language models (LLMs), semantic retrieval
March 21, 2026