Structured Data Validator API | Schema Coverage & Errors

Validate Schema.org structured data for SEO. Parses JSON-LD, detects Microdata and RDFa, highlights schema types, and reports common issues like invalid JSON-LD, missing @type, non-schema.org @context, and missing key properties for popular schema types.

Extract structured microdata (JSON-LD) from webpages to audit SEO schema implementations and rich snippets.

Extract and validate structured data from any web page for SEO. Parses JSON-LD, detects Microdata and RDFa, highlights schema.org types, and reports common markup issues.

Structured Data Scraper (Schema.org)

datavault/schemaorg

Fast, lightweight scraper that extracts structured data (JSON-LD & microdata) from HTML pages. Ideal for e-commerce and sites that embed schema.org markup without heavy client-side rendering.

Extract Schema.org JSON-LD structured data from any website. Fast, lightweight HTTP-based scraper that pulls all JSON-LD scripts - perfect for SEO analysis, product data extraction, and AI/RAG pipelines. No browser overhead.

LD+JSON Schema scraper

pocesar/json-ld-schema

Extract all LD+JSON tags from the given URLs.

Structured Data Extractor

automation-lab/structured-data-extractor

This actor extracts structured data markup from web pages. It parses all three major formats: JSON-LD (`<script type="application/ld+json">`), Microdata (`itemscope`/`itemprop`), and RDFa (`typeof`/`property`). For each page, it returns the full structured data objects, detected Schema.org...

JSON-LD Validator

automation-lab/jsonld-validator

This actor validates JSON-LD structured data on web pages. It extracts all `<script type="application/ld+json">` blocks, validates JSON syntax, checks for required properties (@context, @type), and verifies recommended fields for known Schema.org types like Product, Article, Organization,...

Schema Markup Scraper & SEO Auditor

autofacts/metadata-scraper

Extract JSON-LD, Microdata, RDFa, Open Graph & Twitter Cards. Runs a 0-100 SEO audit — checks canonical, hreflang, headings, image alt, EEAT author signals. Detects 80+ schema.org types including LocalBusiness with NAP, geo coordinates, and Google Place IDs.

JSON-LD Schema & Meta Tag Extractor

logiover/json-ld-schema-meta-tag-extractor

Extract JSON-LD/Schema.org structured data, Meta tags, OpenGraph and Twitter Cards from any URL. Get page title + meta description with a clean JSON output for SEO audits, validation, competitor research and AI datasets. Proxy-ready for large crawls.