What is Schema Markup? [Answered]
Semrush has published an article answering the question, ‘What is Schema Markup?’.
Clark Boyd says, “Schema markup, or structured data, has transformed from an optional search engine optimization (SEO) tactic into essential infrastructure for AI-driven search in 2025. With only 12.4% of websites currently implementing structured data, according to Andra & Elma, early adopters can gain massive competitive advantages. Case studies show pages with proper schema achieve 20-82% higher click-through rates and can jump from 0% to 40%+ AI Overview visibility within weeks.
Most critically, Microsoft and Google have explicitly confirmed in 2025 that their AI systems rely heavily on schema markup because it’s “cheaper, easier to read, and far more precise” than what LLMs can extract independently.
For marketing beginners, understanding schema now means positioning your content for discovery across traditional search, Google AI Overviews, ChatGPT, Perplexity, and future AI platforms – making it arguably the highest-ROI technical SEO skill to master this year.”
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