/seo-schema

name: seo-schema
description: >
  Detect, validate, and generate Schema.org structured data. JSON-LD format
  preferred. Use when user says "schema", "structured data", "rich results",
  "JSON-LD", or "markup".
user-invocable: true
argument-hint: "[url]"
license: MIT
metadata:
  author: AgriciDaniel
  version: "2.2.4"
  category: seo

Schema Markup Analysis & Generation

Detection

1. Scan page source for JSON-LD `<script type="application/ld+json">` 2. Check for Microdata (`itemscope`, `itemprop`) 3. Check for RDFa (`typeof`, `property`) 4. Always recommend JSON-LD as primary format (Google's stated preference)

Validation

• Check required properties per schema type
• Validate against Google's supported rich result types
• Test for common errors:
• Missing @context
• Invalid @type
• Wrong data types
• Placeholder text
• Relative URLs (should be absolute)
• Invalid date formats
• Flag deprecated types (see below)

Schema Type Status (as of June 2026)

Read `../seo/references/schema-types.md` for the full list. Key rules:

ACTIVE (recommend freely):

Organization, LocalBusiness, SoftwareApplication, WebApplication, Product (with Certification markup as of April 2025), ProductGroup, Offer, Service, Article, BlogPosting, NewsArticle, Review, AggregateRating, BreadcrumbList, WebSite, WebPage, Person, ProfilePage, ContactPage, VideoObject, ImageObject, Event, JobPosting, Course, DiscussionForumPosting

VIDEO & SPECIALIZED (recommend freely):

BroadcastEvent, Clip, SeekToAction, SoftwareSourceCode

See `schema/templates.json` for ready-to-use JSON-LD templates for these types.

> **JSON-LD and JavaScript rendering:** Per Google's December 2025 JS SEO guidance, structured data injected via JavaScript may face delayed processing. For time-sensitive markup (especially Product, Offer), include JSON-LD in the initial server-rendered HTML.

NO RICH RESULTS, KEEP IF USEFUL:

• **FAQPage**: Google retired FAQ rich results for ALL sites on May 7, 2026 (supersedes the Aug 2023 gov/health restriction). No Google SERP rich-result benefit; flag existing FAQPage at Info (not Critical) rather than removal. For genuine user Q&A pages, use **QAPage**.

DEPRECATED (never recommend):

• **HowTo**: Rich results removed September 2023
• **SpecialAnnouncement**: Deprecated July 31, 2025
• **CourseInfo, EstimatedSalary, LearningVideo**: Retired June 2025
• **ClaimReview**: Retired from rich results June 2025
• **VehicleListing**: Retired from rich results June 2025
• **Practice Problem**: Deprecation notice 2025-11-05; Search Console / Rich Results Test support removed 2026-01-06
• **Book Actions**: Deprecated/removed from Google rich results; do not recommend it for SERP features.
• Search Console / Rich Results Test / appearance-filter support for CourseInfo, EstimatedSalary, LearningVideo, SpecialAnnouncement, VehicleListing was removed 2025-09-09; Practice Problem support was removed 2026-01-06.

Supported for Dataset Search only:

• **Dataset**: Not discontinued; consumed by Google Dataset Search, with no Google Search rich-result surface. Don't advise removal as if it were killed.

Still supported (do not flag):

• QAPage (expanded comment-thread properties 2026-03-24), DiscussionForumPosting, Education Q&A (Quiz / `eduQuestionType=Flashcard`). For e-commerce, **hasAdultConsideration** (added 2026-05-22; value `https://schema.org/SexualContentConsideration`) is required for adult products.

Generation

When generating schema for a page: 1. Identify page type from content analysis 2. Select appropriate schema type(s) 3. Generate valid JSON-LD with all required + recommended properties 4. Include only truthful, verifiable data. Use placeholders clearly marked for user to fill 5. Validate output before presenting

Common Schema Templates

Organization

{
  "@context": "https://schema.org",
  "@type": "Organization",
  "name": "[Company Name]",
  "url": "[Website URL]",
  "logo": "[Logo URL]",
  "contactPoint": {
    "@type": "ContactPoint",
    "telephone": "[Phone]",
    "contactType": "customer service"
  },
  "sameAs": [
    "[Facebook URL]",
    "[LinkedIn URL]",
    "[Twitter URL]"
  ]
}

LocalBusiness

{
  "@context": "https://schema.org",
  "@type": "LocalBusiness",
  "name": "[Business Name]",
  "address": {
    "@type": "PostalAddress",
    "streetAddress": "[Street]",
    "addressLocality": "[City]",
    "addressRegion": "[State]",
    "postalCode": "[ZIP]",
    "addressCountry": "US"
  },
  "telephone": "[Phone]",
  "openingHours": "Mo-Fr 09:00-17:00",
  "geo": {
    "@type": "GeoCoordinates",
    "latitude": "[Lat]",
    "longitude": "[Long]"
  }
}

Article/BlogPosting

{
  "@context": "https://schema.org",
  "@type": "Article",
  "headline": "[Title]",
  "author": {
    "@type": "Person",
    "name": "[Author Name]"
  },
  "datePublished": "[YYYY-MM-DD]",
  "dateModified": "[YYYY-MM-DD]",
  "image": "[Image URL]",
  "publisher": {
    "@type": "Organization",
    "name": "[Publisher]",
    "logo": {
      "@type": "ImageObject",
      "url": "[Logo URL]"
    }
  }
}

Output

• `SCHEMA-REPORT.md`: detection and validation results
• `generated-schema.json`: ready-to-use JSON-LD snippets

Validation Results

| Schema | Type | Status | Issues | |--------|------|--------|--------| | ... | ... | ✅/⚠️/❌ | ... |

Recommendations

• Missing schema opportunities
• Validation fixes needed
• Generated code for implementation

Error Handling

| Scenario | Action | |----------|--------| | URL unreachable | Report connection error with status code. Suggest verifying URL and checking if the page requires authentication. | | No schema markup found | Report that no JSON-LD, Microdata, or RDFa was detected. Recommend appropriate schema types based on page content analysis. | | Invalid JSON-LD syntax | Parse and report specific syntax errors (missing brackets, trailing commas, unquoted keys). Provide correcte