Schema.org Markup Validation
Structured data validator: JSON-LD, Microdata, RDFa. Validate and diagnose Schema.org markup to improve SEO and rich snippets.
Free online service for checking and validating Schema.org markup. Find errors in structured data and improve your site appearance in search results.
Questions and Answers
Everything about Schema.org: what it is, why it is needed, and how to check website markup
What is Schema.org?
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Schema.org is a standardized format for structured data markup that helps search engines understand the content of a page. Using Schema.org tags and attributes, you can describe products, articles, events, reviews, and other website elements.
Why is Schema.org markup needed?
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Markup helps search engines generate rich snippets with ratings, prices, dates, and other information. This increases your site visibility in search results and boosts CTR.
Which markup types does the service support?
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The service supports all main structured data formats: JSON-LD, Microdata, and RDFa.
What does the Schema.org validator check?
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The service only displays the markup found on your site. You can manually compare it with the standard.
What errors occur in Schema.org markup?
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Common errors include missing required fields, incorrect data types, invalid URLs, or outdated entity types.
Does Schema.org affect SEO?
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Directly, no. However, correct markup improves the appearance of your site in search results, increases click-through rates, and can positively affect user behavior metrics.
Which search engines support Schema.org?
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Google, Yandex, Bing, and other major search engines support Schema.org. Most of them use this data to generate rich snippets.
How can I add Schema.org markup to a website?
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Markup can be added manually in the HTML code of a page, via CMS plugins, or through structured data generators.
Can I check multiple pages?
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Yes, if necessary, you can test multiple URLs to ensure Schema.org is correctly implemented across the entire site.
Is the Schema.org checker free?
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Yes, checking Schema.org markup is available online for free and does not require registration.
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