Schema Markup Checker

Scans the current page for JSON-LD/microdata and flags fields that don't match Google's structured data guidelines.

Schema Markup Checker scans any webpage for structured data — JSON-LD and microdata — and shows you exactly what schema types are present, plus any missing required or recommended fields for SEO rich results. Instantly see: • Which schema types (Product, Article, Review, FAQ, Breadcrumbs, and more) are on the page • Missing required fields that could block rich results in Google Search • Missing recommended fields that improve how your content appears in search • Common copy-paste mistakes, like a property from one schema type left on the wrong type • Raw JSON-LD data for any page, viewable in one click • A direct link to Google's Rich Results Test for official validation No account, no sign-up, no data sent anywhere. Everything runs locally in your browser, and only scans when you click the icon.