Schema Validator
Validate JSON-LD structured data on any webpage. Find issues before search engines do.
What This Tool Checks
Comprehensive validation of JSON-LD structured data markup.
JSON-LD Detection
Automatically finds all JSON-LD script tags on any webpage and parses their content.
Schema Type Identification
Identifies the @type of each schema found, from Organization and Article to Product and BreadcrumbList.
Field Validation
Checks for required and recommended fields based on the schema type, flagging missing properties.
JSON Syntax Check
Validates that the JSON is well-formed. Invalid JSON will be flagged immediately.
@graph Support
Handles @graph arrays and nested schemas, validating each item individually.
How It Works
Three steps to validate your structured data.
Enter a URL
Paste the URL of any webpage to analyze its structured data markup.
Extract & Parse
The tool fetches the page, finds all JSON-LD blocks, parses them, and validates against schema requirements.
Review Schemas
See each schema with its type, validation status, issues, and the full formatted JSON source.
Frequently Asked Questions
Common questions about structured data and JSON-LD.
What is JSON-LD structured data?
JSON-LD (JavaScript Object Notation for Linked Data) is a method of embedding structured data in web pages using a <script type="application/ld+json"> tag. It uses the Schema.org vocabulary to describe entities like organizations, articles, products, and events in a machine-readable format that search engines use for rich results.
How does structured data affect SEO?
Structured data helps search engines understand the content and context of your pages. When properly implemented, it can enable rich results (rich snippets) in search results, such as star ratings, recipe cards, FAQ accordions, and product pricing. While not a direct ranking factor, rich results can significantly improve click-through rates.
What schema types are most important?
The most impactful types depend on your content. For businesses, Organization and LocalBusiness are key. Article and WebPage are essential for publishers. E-commerce sites should use Product. BreadcrumbList helps with navigation display in search results. FAQPage can earn expanded search listings.
Can I have multiple schemas on one page?
Yes, having multiple schemas on a single page is perfectly valid and often recommended. For example, a product page might have Product schema, BreadcrumbList for navigation, Organization for the business, and WebPage for the page itself. You can use separate script tags or combine them using @graph.
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