Arda
Arda runs AI agents that track buying-intent queries, measure how often a brand is named in Google and AI assistants, draft CMS-re...
Schema Markup
Validates, visualises and converts structured data via API, CLI and MCP for SEO teams and publishers.
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Overview
About Schema Markup
Schema Markup is an API-first tool for checking structured data. It validates syntax and semantics, tests rich result eligibility in line with search engine tools, supports JSON-LD, RDFa and other RDF formats and is available as a web playground, CLI, MCP server for agents and API.
What it does
Checks and converts Schema.org markup, reports errors and warnings with source locations and tests eligibility for rich search results.
Where it fits
Part of a technical SEO and publishing workflow, usable in CI pipelines or by AI agents before pages go live.
Who it suits
SEO professionals, developers and content publishers managing structured data at scale.
Editorial view
Strengths and limitations
Written by our editors to the same standard for every product.
Strengths
- Combined validation and rich result checks
- Supports several structured data formats
- CLI, API and MCP access
- Source-attributed warnings
Limitations
- Higher usage requires a paid plan
- Narrow focus on structured data
Reviews
What users say
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Company
About Schema Markup
From the vendor
Provided by the vendor and reviewed by our editors; not independently verified.
- Company
- Schema Markup
- Website
- schemamarkup.app
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