Structured Data and Schema.org: A Practical Guide

Structured data is machine-readable information about a page, written in Schema.org vocabulary and delivered as JSON-LD. It is the single most important technical layer for GEO and rich results.

Which schema types to use

• Organization — brand entity consistency.
• WebSite — site and search action.
• WebPage — page type and breadcrumbs.
• Article / BlogPosting — editorial content with author.
• FAQPage — question-answer pairs.
• HowTo — step-by-step processes.
• BreadcrumbList — navigation context.
• Product / SoftwareApplication — product entities.

How to implement JSON-LD

Inject a <script type=application/ld+json> block in the document head. Each block should accurately describe visible page content. Never add misleading or fake structured data.

Validation

Validate every JSON-LD block for correct types, required properties, and valid JSON. RankoraXPress flags missing schema, invalid JSON, and missing entity types in its technical audit.

Common mistakes

• Using schema that does not match visible content.
• Missing Organization and author entities.
• Forgetting FAQPage schema on FAQ sections.
• Invalid JSON that breaks parsing.
• Duplicate or contradictory entity information.