Open Graph Image Validator

🩺 Website Health Check — All-in-One Audit

upstanding_biobot/website-health-check

Comprehensive website health audit: accessibility (axe-core), security headers, SSL/TLS, broken links, sitemap, robots.txt, structured data, meta tags, performance signals. One scan, full picture.

JSON-LD Schema & Meta Tag Extractor

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

Bulk JSON-LD structured data scraper and meta tag extractor for any URL. Export Schema.org, OpenGraph and Twitter Cards to CSV/JSON. No API.

Meta Tag & OpenGraph Scraper

taroyamada/meta-tag-analyzer

Crawl any website to extract schema.org JSON-LD, Open Graph tags, and robots directives for comprehensive technical SEO audits.

Meta Mate 🔍 — Link Metadata Extractor (Batch)

perryay/meta-mate

Fetches one or more URLs and extracts Open Graph tags, Twitter Cards, JSON-LD structured data, meta description, title, and favicon. Supports batch processing of up to 20 URLs.

OpenGraph & Social Card Inspector — Meta Tag Extractor API

logiover/social-card-preview-api

Extract OpenGraph, Twitter Card and structured data meta tags from any URL at scale. See og:title, og:image, twitter:card, JSON-LD types, canonical URLs and favicons. Audit social media link previews for Facebook, Twitter/X, LinkedIn, Slack and WhatsApp.

Check and validate Open Graph (og:*) meta tags to improve link previews on Facebook, LinkedIn, Slack, and more. Detect missing/empty OG tags (og:title, og:description, og:image, og:url, og:type), duplicates, invalid URLs, and optional image URL accessibility checks.

Extract and validate JSON-LD, Schema.org types, Open Graph, and Twitter Card metadata from up to 1,000 webpages with structured issue reporting.

Validate Open Graph, Twitter Card, and JSON-LD meta tags on a public page; emit per-field pass/warn/fail with structured fix-hints, ready for n8n/Make/Sheets alerts.

Site Launch & Migration Technical SEO Audit

burly_bat/site-launch-migration-audit

Bulk technical launch/indexability audit for a list of URLs, a sitemap or a chained dataset. Checks HTTP status, redirects, robots.txt, meta robots, X-Robots-Tag, canonical, on-page tags, JSON-LD and hreflang, then returns a PASS/WARN/FAIL verdict per URL plus a go/no-go rollup.

Fetch public pages and extract <meta>, OpenGraph, Twitter card, and JSON-LD type information. Outputs structured per-URL rows for SEO audits and competitive intelligence.