Schema Markup
Structured data (JSON-LD) that helps search engines understand a page.
Schema markup is a vocabulary of structured-data tags (defined at schema.org) that you embed in a page so search engines know what the content actually is — a recipe, a product, a FAQ, a how-to, an organization, a person.
The recommended format today is JSON-LD: a `<script type="application/ld+json">` block in the head or body. It is invisible to users but parsed by Google, Bing, ChatGPT, Perplexity, and other crawlers.
Schema doesn't directly improve rankings, but it unlocks rich results — the FAQ accordions, recipe cards, product star ratings, and breadcrumb trails you see in Google. Rich results take up more SERP real estate, which lifts click-through dramatically.
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