---
id: "schema-markup-validator"
title: "Schema Markup Validator"
creator: "Schema.org"
creator_url: "https://schema.org"
url: "https://validator.schema.org/"
category: "ai-search-visibility-seo-geo-aeo"
subcategory: "structured-data-and-schema"
access: "free"
date_added: "2026-10-19"
resource_kind: "entity"
verification_basis: "supplier-inventory-v2.4"
access_evidence: "Supplier-approved free inventory; not independently verified by this site."
domain_top: "AI search visibility (SEO/GEO/AEO)"
domain_sub: "Structured data and schema"
source_type: "product"
last_verified: "2026-10-19"
last_content_modified: "2026-10-19"
---

[Home](/index.md) · [AI search visibility (SEO/GEO/AEO)](/ai-search-visibility-seo-geo-aeo/index.md) · [Structured data and schema](/ai-search-visibility-seo-geo-aeo/structured-data-and-schema/index.md)

# Schema Markup Validator

Validator that extracts JSON-LD, Microdata and RDFa from a URL or snippet and checks it against the schema.org vocabulary without Google-specific rules.

An unrated entity, not a level-rated lesson. A product from Schema.org; catalog added 2026-10-19, last verified 2026-10-19.

by [Schema.org](https://schema.org)

[Read the original →](https://validator.schema.org/)

Category: [AI search visibility (SEO/GEO/AEO)](/ai-search-visibility-seo-geo-aeo/index.md)
Tags: [ai-search-visibility-seo-geo-aeo](/tags/ai-search-visibility-seo-geo-aeo/index.md), [structured-data-and-schema](/tags/structured-data-and-schema/index.md)
Added: 2026-10-19
Last verified: 2026-10-19
Status: ok
Resource kind: entity
Type: product
Original language: en
Access: free
Last modified: 2026-10-19
Subcategory: [Structured data and schema](/ai-search-visibility-seo-geo-aeo/structured-data-and-schema/index.md)
Verification basis: Supplier-reported import check. Subsequent source corrections and content reviews are recorded separately.
Access evidence: Supplier-approved free inventory; not independently verified by this site.
Source domain: AI search visibility (SEO/GEO/AEO)
Source subdomain: Structured data and schema

Summary in our own words. Rights remain with the original creator. [Credit and correction policy](/about/index.md#credit-policy).

[Plain-text Markdown copy](/e/schema-markup-validator/index.md)