Not all schema markup is equal for AI search optimization. Here's the definitive ranked list of schema types, implementation examples, and the common mistakes that invalidate your markup.
Structured data is the single most impactful technical investment you can make for AI search visibility. Unlike traditional search, where schema provides hints to the algorithm, AI search engines use structured data as primary retrieval signals — not supplementary ones.
FAQPage schema has the highest citation correlation of any structured data type in our research dataset. Implement it on every page that contains question-answer content.
Article (or NewsArticle) schema establishes content type, authorship, and publication context — all critical signals for AI retrieval systems.
Step-by-step content with HowTo schema receives priority citation treatment in instructional queries across all major AI platforms.
Establishes brand and author authority. Critical for E-E-A-T signals that AI systems use to evaluate source credibility.
Essential for e-commerce. Includes review aggregation, pricing, and availability — all factors in AI product recommendation responses.
