# Home page, product/service pages, and blog posts include valid JSON-LD structured data - **Pattern:** `ab-002487` (`seo-advanced.structured-data.jsonld-present`) - **Severity:** critical - **Lifecycle:** active - **Last modified:** 2026-04-18 - **Canonical URL:** https://auditbuffet.com/patterns/ab-002487 - **License:** CC-BY-4.0 — attribute to AuditBuffet Pattern Catalog (https://auditbuffet.com/patterns/ab-002487) ## Why it matters Missing JSON-LD structured data leaves search engines without machine-readable signals to understand your content type, organization identity, or page purpose. Google's Rich Results — star ratings, FAQ dropdowns, sitelinks search boxes — are only available to pages with valid schema.org markup. Without it, your content competes on raw text signals alone, systematically losing SERP features to competitors who implement schema-org Organization and WebPage schemas. This is a direct findability penalty, not a cosmetic gap. ## Severity rationale Critical because all Rich Results eligibility and schema.org knowledge-graph signals depend on JSON-LD being present and syntactically valid; absence forfeits the entire structured-data surface. ## Remediation Add a `