Which schema types to add, how to nest them, and how to validate — the practical 2026 reference for SEO + AI search visibility.
In 2026, schema is no longer optional polish — it's the primary way Google AI Overviews, ChatGPT and Perplexity understand your pages.
Organization + WebSite + WebPage + BreadcrumbList on every page. Add SiteNavigationElement for primary nav.
Article for blog posts, HowTo for guides, FAQPage for FAQs, VideoObject for embedded video, Product + Offer for e-commerce.
LocalBusiness with areaServed, geo, openingHoursSpecification, priceRange, aggregateRating.
Use Schema.org Validator + Google Rich Results Test. Re-validate after every CMS template change.
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