Schema.org for AI Search: Property Reference
ChatGPT
Claude
Gemini
PerplexitySchema.org provides the structured vocabulary AI search engines use to understand content type, authorship, and relationships.
Schema.org provides structured vocabulary that AI search engines use to understand content. Key types include Article, FAQPage, HowTo, Product, and Organization with their essential properties.
Most Important Schema Types for AI
| Schema Type | Use Case | AI Benefit |
|---|---|---|
| Article | Blog posts, guides | Content type identification |
| FAQPage | FAQ sections | Question-answer extraction |
| HowTo | Tutorials | Step extraction |
| Product | Product pages | Feature/price extraction |
| Organization | About pages | Entity recognition |
| Person | Author pages | Authority signals |
| BreadcrumbList | Navigation | Site structure |
| WebPage | General pages | Basic metadata |
Essential Properties by Type
Article
| Property | Required | Description |
|---|---|---|
| headline | Yes | Article title |
| author | Yes | Author (Person or Organization) |
| datePublished | Yes | Publication date |
| dateModified | Recommended | Last update date |
| description | Yes | Summary (120-160 chars) |
| publisher | Yes | Publishing organization |
FAQPage
| Property | Required | Description |
|---|---|---|
| mainEntity | Yes | Array of Question objects |
| Question.name | Yes | The question text |
| Question.acceptedAnswer | Yes | The Answer object |
| Answer.text | Yes | The answer text |
HowTo
| Property | Required | Description |
|---|---|---|
| name | Yes | Title of the how-to |
| step | Yes | Array of HowToStep |
| HowToStep.name | Yes | Step title |
| HowToStep.text | Yes | Step description |
| totalTime | Recommended | Duration (ISO 8601) |
Product
| Property | Required | Description |
|---|---|---|
| name | Yes | Product name |
| description | Yes | Product description |
| brand | Recommended | Brand object |
| offers | Yes | Price information |
| aggregateRating | Recommended | Review summary |
Validation Tools
| Tool | URL | Purpose |
|---|---|---|
| Google Rich Results Test | search.google.com/test/rich-results | Google compatibility |
| Schema.org Validator | validator.schema.org | Standard compliance |
| JSON-LD Playground | json-ld.org/playground | JSON-LD debugging |
Related Articles
- JSON-LD for AI Search — Implementation guide
- Structured Data for AI Search — Overview
- FAQ Schema for AEO — FAQ implementation
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