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Free Schema Markup Validator

Check your structured data in seconds. Get copy-paste fixes for any issues.

✓ Checks JSON-LD, Microdata & RDFa • ✓ Copy-paste fixes • ✓ 100% free

What Our Schema Validator Checks

Syntax Validation

Valid JSON-LD structure, proper nesting, correct data types

📋

Required Properties

Missing fields that prevent rich results eligibility

Rich Result Eligibility

Whether your schema qualifies for Google rich snippets

🔗

Entity Connections

Proper linking between Organization, WebSite, and pages

⚠️

Conflicts & Duplicates

Multiple conflicting schemas on the same page

🛠️

Copy-Paste Fixes

Ready-to-use JSON-LD code for every issue found

Supported Schema Types

Learn how to implement each schema type with our detailed guides:

Why Validate Your Schema Markup?

Invalid schema markup won't trigger rich results—and you might not even know it's broken. Google silently ignores malformed structured data without warning you in Search Console.

Common issues we catch:

  • Missing @context or @type declarations
  • Invalid date formats (ISO 8601 required)
  • Missing required properties for rich result eligibility
  • Incorrect nesting of nested schemas
  • Conflicts between multiple Organization schemas
  • Orphaned schemas not connected to page content

Our validator catches these issues instantly and gives you the exact code to fix them.

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Frequently Asked Questions

What is schema markup validation?
Schema markup validation checks if your structured data is correctly implemented and follows Schema.org standards. Valid schema helps search engines and AI answer engines understand your content and can enable rich snippets in search results like star ratings, breadcrumbs, and product prices.
What types of schema does this tool check?
Our validator checks all common schema types including Organization, LocalBusiness, Product, Article, FAQPage, HowTo, BreadcrumbList, WebSite, and more. We validate JSON-LD, Microdata, and RDFa formats.
How is this different from Google Rich Results Test?
While Google Rich Results Test only shows if schema qualifies for rich results, our tool provides a complete audit: we check for missing recommended properties, validate nesting structure, identify conflicts between multiple schemas, and give you copy-paste code to fix issues.
Does schema markup affect SEO rankings?
Schema markup is not a direct ranking factor, but it significantly impacts click-through rates. Pages with rich snippets (stars, prices, breadcrumbs) get 20-30% more clicks on average. Better CTR signals to Google that your page satisfies user intent.
What schema markup should every website have?
At minimum, every site should have: Organization or LocalBusiness schema for brand identity, WebSite schema for the site entity, and BreadcrumbList for navigation breadcrumbs. Add SearchAction only when the site has a real crawlable search results page. Content sites should add Article schema; e-commerce sites need Product and Offer schema, with Review or AggregateRating only when genuine visible review data exists.

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