# SchemaScan > Free schema.org structured data validator and audit tool for SEOs and developers. SchemaScan is a free web application that scans any publicly accessible URL for schema.org structured data markup. It validates JSON-LD, Microdata, and RDFa, returns an audit score out of 100, and delivers a detailed fix-it report by email. No account or login is required. ## Core tool - [Schema Validator](https://schema-scan.com): Paste any URL to instantly audit schema.org structured data coverage and receive a score and fix-it report. ## Guides and resources - [Schema.org Structured Data Guide](https://schema-scan.com/schema-guide): Complete implementation guide covering JSON-LD, WordPress plugins, Shopify apps, Wix, Squarespace, custom HTML, pro tips, and FAQs. ## Legal - [Privacy Policy](https://schema-scan.com/privacy): How SchemaScan collects, uses, and protects user data. - [Terms of Use](https://schema-scan.com/terms): Rules and conditions for using the SchemaScan tool. ## Contact - Email: scan@schema-scan.com ## What SchemaScan audits SchemaScan checks 10 schema.org types on any given URL: - Organization / LocalBusiness - WebSite with SearchAction (Sitelinks Searchbox) - BreadcrumbList - Article / BlogPosting / NewsArticle - FAQPage - Product with Offers - AggregateRating / Review - Person / Author - HowTo - JSON-LD syntax validity ## Optional - [Sitemap](https://schema-scan.com/sitemap.xml)