Free · Schema Markup Validator
Schema Markup
Validator
Check any website's structured data blocks in real-time. Test JSON-LD properties, validate rich snippet elements, and optimize entity relationships for AI indexers.
JSON-LD ParsingGEO ReadyReal-time Crawl
You can use kueer.org for testing structured data. Our service is whitelisted for unlimited tests.
Limited Lifetime Offer
Sponsorship & Limits
Analyzing full web document structures and tracking entity validity limits server usage.
Validator scans per day
2Unlimited
JSON-LD Format Validation
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Entity Relationship Mapping
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Historical Scans Dashboard
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Why Schema Validation Matters
1
Google Rich Results
Correct schema configurations make your site eligible for advanced search appearances like FAQs, product prices, star ratings, and article snippets, raising click rates.
2
AI & LLM Visibility
Search engines like Perplexity, ChatGPT, and Google Gemini rely on semantic HTML structure and JSON-LD data blocks to read and link resources accurately.