Free schema validator and checker

How to check schema markup on any page

1. Enter the page address, or paste the code. Use "Validate a URL" for a live page, or "Paste JSON-LD" to check markup before it goes live.
2. Read the red, amber and green result. Red is broken or missing a required property, amber is valid with gaps worth filling, green is ready for rich results.
3. Confirm in Google's Rich Results Test. Once this check is clean, Google's own test tells you which rich results the page is eligible for.

What this schema validator checks

A schema validator (also called a schema checker or structured data validator) checks a page's structured data: the code that tells search engines and AI tools what a page is, such as a local business, a product, an article or an event. This one reads every JSON-LD block on the page and checks two things. First, syntax: does each block parse, and does it declare the schema.org vocabulary? One stray comma makes Google ignore the whole block. Second, required properties: for the rich-result types listed further down this page, is everything Google lists as required actually there?

It reads JSON-LD, the format Google recommends. If the page also uses Microdata or RDFa, the result says so, but those formats aren't validated here; use validator.schema.org for them.

Reading your result

A red result means something is broken or missing a required property, so Google won't show a rich result for it. Amber means the markup is valid but missing recommended properties, which are optional but give a fuller picture. The most common gap on small business sites is simpler than either: no Organization or LocalBusiness markup at all, which is the markup that tells machines who is behind the site.

Common schema errors and how to fix them

• Invalid JSON. Usually a trailing comma after the last property, an unescaped double quote inside a value, or curly "smart" quotes pasted from a document. Search engines ignore the whole block. Fix the line, then paste the block into "Paste JSON-LD" to re-check it before it goes live.
• Missing @context. Every block needs "@context": "https://schema.org" so parsers know which vocabulary the types come from.
• Missing a required property. For example, a LocalBusiness without an address, or a Product with no offers, review or aggregateRating. The result names the property; add it with a real value from the page.
• A type you expected isn't found. Check the spelling and capitals of @type (it is LocalBusiness, not Localbusiness). If the markup is added by JavaScript after the page loads, this check can't see it, so test that page in Google's Rich Results Test instead.
• No Organization or LocalBusiness markup. The most common gap on small business sites. Add one block on your homepage with your name, address, phone number and logo, matching your Google Business Profile.

More free checks

Schema is one part of how a page reads to search engines. Check the basics with the meta tag checker and the Open Graph checker, confirm crawlers are allowed in with the robots.txt checker, or browse every free tool. To look at one whole page at once, run the free one-page site audit.

What it doesn't do

This is a fast first check, not Google's final word. It reads the HTML your server sends, so markup injected by JavaScript won't show up here. It doesn't apply Google's content policies either. Once this tool is clean, confirm eligibility in Google's Rich Results Test, and see how the two compare below. For what to add and why, read our structured data guide, the LocalBusiness schema guide and what replaced Google's Structured Data Testing Tool.