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What Is Schema Markup? A Practical JSON-LD Guide

Schema markup is structured data that helps machines understand what a page represents. JSON-LD is a common format for adding that information to a webpage without changing the visible content.

What structured data can describe

Schema can describe entities and relationships such as organizations, articles, breadcrumbs, products and software applications.

Schema is not a ranking shortcut

Structured data can make page information clearer to search engines and may support eligible search features, but valid markup does not guarantee special treatment in search results.

Common schema types for business websites

  • Organization: information about the company.
  • Article: information about editorial content.
  • BreadcrumbList: the page’s position in the site hierarchy.
  • WebApplication: useful for web-based tools and applications.
  • Product: product information where the page genuinely represents a product.

Validate the JSON before publishing

Malformed JSON-LD can fail before search engines even consider whether the schema is appropriate. Check brackets, quotation marks, commas and required property structure.

Use the free Schema Validator and FAQ Schema Generator.

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Use Markhor Global's free tools to check metadata, headings, redirects, broken links, schema and page performance.

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