SEO Tool

Structured data checker

Анализ Schema.org, JSON-LD, Microdata и RDFa

What does the tool check?

JSON-LD

  • • JSON validity
  • • Presence of @context
  • • Required fields
  • • Schema.org types

Microdata

  • • itemscope / itemtype
  • • itemprop attributes
  • • Nested items

RDFa

  • • vocab / typeof
  • • property attributes
  • • Links to Schema.org

Disclaimer: Data is collected from public sources. We do not store the checked URLs or analysis results. Use for lawful purposes only.

Continue checking

Meta tags checkertitle, description and Open GraphSite SEO auditfull check of up to 200 pagesHeadings checkerH1–H6 structure

Structured data and rich snippets

How the check works

The tool extracts all structured data blocks from the page — JSON-LD, Microdata and RDFa — determines the Schema.org types and checks for the presence of required properties.

Common errors: syntactically invalid JSON-LD, missing required fields (for example, price on Product), and markup that does not match the page’s visible content.

Why it matters in the age of AI search

Structured data is read not only by classic search engines but also by AI assistants and generative answers (GEO). Clear markup increases the chance that your content will be cited correctly in AI-generated answers.

Start with a basic set: Organization on the homepage, BreadcrumbList on all pages, Product or Article depending on the content type, FAQPage on pages with questions.

Frequently asked questions

What does Schema.org markup give you?+

Markup helps search engines understand the page content and unlocks rich snippets: rating stars, prices, breadcrumbs, FAQs, event dates. This increases click-through in the results.

Which markup format is better: JSON-LD or Microdata?+

Google recommends JSON-LD: the markup lives as a separate script and does not mix with the HTML, making it easier to implement and maintain. Yandex supports both formats.

Does markup guarantee a rich snippet?+

No. Correct markup is a necessary but not sufficient condition: the search engine itself decides whether to show a rich snippet, considering the quality of the page and the site as a whole.

Which markup types are the most useful?+

For business: Organization/LocalBusiness, Product with price and rating, BreadcrumbList, FAQPage, Article for content, Event for events. The choice depends on the page type.