name: Schema.org Vocabulary
description: Core vocabulary for Schema.org structured data, covering the key types, properties, and encoding formats used to annotate web content for search engines and linked data applications.
url: https://github.com/api-evangelist/schema-org
created: '2026-05-02'
modified: '2026-05-02'
tags:
- Schema.org
- Structured Data
- Linked Data
- JSON-LD
- SEO
- Vocabulary
terms:
- term: Thing
  label: Thing
  definition: The most generic type in the Schema.org type hierarchy. All other Schema.org types are subclasses of Thing. Thing provides the base properties shared by all entities including name, description, url, image, and identifier.
  url: https://schema.org/Thing
  tags:
  - Core Type
  - Base Type

- term: Action
  label: Action
  definition: An action performed by a direct agent, optionally involving a participant upon a direct object. Schema.org provides action types for common web interactions including SearchAction, BuyAction, ViewAction, and many others. Actions are used in JSON-LD to describe potential actions on a webpage.
  url: https://schema.org/Action
  tags:
  - Core Type
  - Actions

- term: CreativeWork
  label: Creative Work
  definition: The most generic kind of creative work, including books, movies, photographs, software programs, etc. Subclasses include Article, BlogPosting, Book, Course, Movie, MusicRecording, Recipe, SoftwareApplication, and WebPage.
  url: https://schema.org/CreativeWork
  tags:
  - Core Type
  - Content

- term: Event
  label: Event
  definition: An event happening at a certain time and location, such as a concert, lecture, or festival. Events can be online or in-person and include properties for start/end time, location, organizer, and attendees.
  url: https://schema.org/Event
  tags:
  - Core Type
  - Events

- term: Organization
  label: Organization
  definition: An organization such as a school, NGO, corporation, club, etc. Includes subclasses for Corporation, EducationalOrganization, GovernmentOrganization, LocalBusiness, NewsMediaOrganization, and more.
  url: https://schema.org/Organization
  tags:
  - Core Type
  - Organizations

- term: Person
  label: Person
  definition: A person (alive, dead, undead, or fictional). Used to represent individuals with properties including name, birthDate, jobTitle, worksFor, email, and sameAs links to social profiles.
  url: https://schema.org/Person
  tags:
  - Core Type
  - People

- term: Place
  label: Place
  definition: Entities that have a somewhat fixed physical extension, such as geographic locations, buildings, and facilities. Includes subclasses for Country, City, LandmarksOrHistoricalBuildings, and LocalBusiness.
  url: https://schema.org/Place
  tags:
  - Core Type
  - Geography

- term: Product
  label: Product
  definition: Any offered product or service including products, services, and offerings. Used in e-commerce structured data to enable rich product listings in search results, including price, availability, ratings, and reviews.
  url: https://schema.org/Product
  tags:
  - Core Type
  - Commerce

- term: WebAPI
  label: WebAPI
  definition: An application programming interface accessible over Web/Internet technologies. Added to Schema.org to enable structured data description of APIs. Properties include documentation URL, termsOfService, provider, and ServiceChannel describing how to access the API.
  url: https://schema.org/WebAPI
  tags:
  - API
  - Web Standards

- term: JSONLD
  label: JSON-LD
  definition: JavaScript Object Notation for Linked Data — a method of encoding linked data using JSON. JSON-LD is the recommended format for Schema.org structured data by Google. It can be embedded in web pages via a script tag with type="application/ld+json" without modifying visible HTML.
  tags:
  - Encoding Format
  - Linked Data

- term: Microdata
  label: Microdata
  definition: An HTML5 specification for embedding machine-readable data in HTML using attributes like itemscope, itemtype, and itemprop. Microdata was an early method for embedding Schema.org structured data but JSON-LD is now preferred by Google.
  tags:
  - Encoding Format
  - HTML

- term: RDFa
  label: RDFa (Resource Description Framework in Attributes)
  definition: A W3C standard for expressing structured data in HTML and other XML-based markup languages using attributes. RDFa is widely used by publishers and is well-supported in WordPress and other CMS platforms.
  tags:
  - Encoding Format
  - W3C Standard

- term: SameAs
  label: sameAs
  definition: A Schema.org property that indicates the URL of a reference Web page that unambiguously indicates the item's identity, linking it to authoritative sources. Used to connect entities to their Wikidata, DBpedia, or official website entries for knowledge graph disambiguation.
  url: https://schema.org/sameAs
  tags:
  - Property
  - Linked Data
  - Knowledge Graph

- term: BreadcrumbList
  label: BreadcrumbList
  definition: A Schema.org type representing an ordered list of breadcrumb navigation items. Used to enable breadcrumb display in Google Search results by annotating page navigation hierarchy.
  url: https://schema.org/BreadcrumbList
  tags:
  - Navigation
  - SEO
  - Rich Results

- term: AggregateRating
  label: AggregateRating
  definition: The average rating based on multiple ratings or reviews. Properties include ratingValue, bestRating, worstRating, and ratingCount. Used on Product, LocalBusiness, Recipe, Movie pages to enable star rating rich results in Google Search.
  url: https://schema.org/AggregateRating
  tags:
  - Reviews
  - Commerce
  - Rich Results

- term: SearchAction
  label: SearchAction
  definition: A Schema.org action type that indicates the subject's search functionality. Used on website home pages to enable Google Sitelinks Search Box, allowing users to search the site directly from Google search results.
  url: https://schema.org/SearchAction
  tags:
  - Actions
  - SEO
  - Rich Results

- term: StructuredData
  label: Structured Data
  definition: Information formatted to be understood by machines, not just humans. In the web context, structured data markup uses Schema.org vocabulary in JSON-LD, Microdata, or RDFa to annotate page content so search engines can display rich results (Knowledge Panels, Rich Snippets, FAQs, etc.).
  tags:
  - Core Concept
  - SEO

- term: RichResult
  label: Rich Result
  definition: An enhanced search result in Google that goes beyond the standard blue link, displaying additional visual or interactive elements like star ratings, event dates, product prices, FAQ accordions, or recipe images. Enabled by valid Schema.org structured data on the page.
  tags:
  - SEO
  - Google Search
  - Search Engines