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seo-schema

Detect and validate Schema.org structured data in JSON-LD, Microdata, and RDFa.

Updated Jun 12, 2026
Search Tags:#structured data#validation#schema#seo#json-ld#rich results
One-click install
npx skills add https://github.com/somarjun/hermes-seo --skill seo-schema-somarjun
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: seo-schema
Source: https://github.com/somarjun/hermes-seo/tree/main/skills/seo-schema
Command: npx skills add https://github.com/somarjun/hermes-seo --skill seo-schema-somarjun

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill removes the guesswork from Schema.org markup by identifying what structured data is present, what is missing, and what should be changed to improve rich result eligibility.

Core Features & Use Cases

  • Detection: Finds JSON-LD, Microdata, and RDFa on a page and recommends JSON-LD as the preferred format.
  • Validation: Checks required properties, data types, absolute URLs, and common syntax or implementation errors.
  • Generation: Produces compliant schema snippets for pages such as articles, products, organizations, local businesses, events, jobs, and web pages while avoiding deprecated or restricted types.
  • Use Case: Audit a product page for missing Product and Offer fields, then generate corrected JSON-LD that matches the visible page content.

Quick Start

Ask the seo-schema skill to audit the page and generate the correct Schema.org JSON-LD for the target content.

Frequently Asked Questions about seo-schema

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I validate Schema.org structured data on a web page?▼

To validate Schema.org structured data, this Skill audits pages for JSON-LD, Microdata, and RDFa, checking required properties, data types, absolute URLs, and syntax errors to identify missing or invalid markup for rich result eligibility.

What is the best way to generate JSON-LD schema markup for a product page?▼

The best way to generate JSON-LD schema markup is to audit the target page content for missing Product and Offer fields, then produce corrected, compliant JSON-LD snippets that match visible page elements and avoid deprecated types.

Does this structured data validator detect Microdata and RDFa formats?▼

Yes, this structured data validator detects Microdata and RDFa formats on web pages. It audits these formats for rich result candidates like articles, local businesses, and events, then recommends JSON-LD as the preferred markup format.

Why are my rich results not showing up despite having structured data?▼

Rich results may not show up if your structured data fails required-property checks, uses deprecated types, contains relative URLs instead of absolute URLs, or has syntax errors that prevent search engines from parsing the markup correctly.

Can I audit schema markup for local businesses and events?▼

Yes, you can audit schema markup for local businesses and events. This Skill validates required properties and data types for these rich-result candidates, then generates compliant JSON-LD snippets matching your visible page content.

Do I need to convert Microdata to JSON-LD for SEO?▼

Converting Microdata to JSON-LD for SEO is recommended because this Skill identifies existing Microdata and RDFa on pages, then generates compliant JSON-LD snippets as the preferred structured data format to improve rich result eligibility.

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