What is a schema.org validator?

A schema.org validator checks whether a website's structured data markup follows schema.org specifications correctly. It verifies JSON-LD, Microdata, and RDFa markup to ensure search engines like Google can read and use the data for rich results.

What is JSON-LD and why does it matter for SEO?

JSON-LD (JavaScript Object Notation for Linked Data) is Google's preferred format for structured data markup. It allows search engines to understand your content's context, enabling rich results like star ratings, FAQs, breadcrumbs, and product details in search results.

What schema types does SchemaScan validate?

SchemaScan validates 10 high-impact schema types: Organization, WebSite with SearchAction, BreadcrumbList, Article/BlogPosting, FAQPage, Product, AggregateRating/Review, Person/Author, HowTo, and JSON-LD syntax validity.

Is SchemaScan free to use?

Yes, SchemaScan is completely free to use with no account or login required. Simply paste any public URL to get an instant schema audit score and structured data report.

How do I fix schema.org errors on my website?

After scanning your URL, SchemaScan identifies missing or broken schema types and provides plain-English fix instructions for each issue. Enter your email address to receive a detailed fix-it report with specific recommendations for your site.

Data

Dataset Schema Markup

Generate Dataset JSON-LD to make your data discoverable in Google Dataset Search — essential for research, government, and data publishing sites.

Rich result type

Google Dataset Search

Google documentation →

Validate your Dataset schema

Enter your URL to check if your Dataset markup is correct and eligible for rich results.

Required fields

name
description

Recommended fields

url
license
creator
distribution
temporalCoverage
spatialCoverage

Common Dataset schema errors

✗description too short — should explain the dataset thoroughly
✗Missing license URL
✗distribution missing encodingFormat
✗creator not using Organization or Person type

Generate Dataset schema

Fill in the fields below to generate valid JSON-LD you can paste directly into your page.

Dataset name*

Description*

Dataset page URL

License URL

Creator/publisher name

Download URL

File format

Date published

Dataset schema — frequently asked questions

What is Google Dataset Search?

Google Dataset Search (datasetsearch.research.google.com) is a search engine specifically for datasets. Dataset schema makes your data discoverable there and in standard Google Search.

Does Dataset schema work for CSV files?

Yes — set distribution.encodingFormat to 'text/csv' and provide a contentUrl pointing to the CSV file. Multiple distributions (CSV, JSON, XLSX) can be listed.

Is Dataset schema only for research data?

No — any structured data collection qualifies: government data, financial data, geographic data, sports statistics, product catalogs, and more.

Other schema types

E-commerceProductProduct snippets, Google Shopping ContentArticleTop Stories, Article rich results Rich ResultsFAQPageFAQ dropdowns in SERP BrandingOrganizationKnowledge Panel, logo in search Local SEOLocalBusinessLocal Knowledge Panel, Google Maps NavigationBreadcrumbListBreadcrumb trails in SERP

Audit your full schema coverage

SchemaScan checks all schema types at once — get a complete score and fix-it report for any URL.

Run free audit →