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Schema and Entity Markup Checker

Check whether a website has schema signals that help AI systems and search engines understand the entity.

A schema checker reviews JSON-LD and entity markup for machine-readable facts about a brand, person, organization, local business, product, or website. Strong schema supports, but does not replace, visible page content and public proof.

Schema Twin looks for

The MVP detects JSON-LD blocks and Organization, Person, LocalBusiness, WebSite, and related schema types.

It also checks whether official profiles appear as public links that can be mirrored in sameAs fields.

How to improve markup

Keep schema aligned with visible text. Add name, URL, description, logo, sameAs, contact, and location fields where appropriate.

Schema typeBest fit
OrganizationCompanies, agencies, SaaS, ecommerce brands.
PersonFounders, creators, consultants, public figures.
LocalBusinessRestaurants, hotels, local service providers.

FAQs

Can schema alone fix AI visibility?

No. Schema should reinforce clear, visible, crawlable source content.

Should every page have JSON-LD?

Important entity and content pages usually benefit from structured data when it is accurate.

Recommended next step

Run the scan and review the schema recommendation cards.

Start the scan