For technical SEO and metadata indexing: Extracts rich structured metadata from your URL (favicons, title, description,

For technical SEO and metadata indexing: Extracts rich structured metadata from your URL (favicons, title, description, canonical, meta tags, Open Graph and Twitter Card tags, JSON-LD, redirect chain, relevant response headers, performance metrics, headings, images). Returns everything by default; narrow response with the fields query param (pass atomic field names, ex: ?fields=title,description or the named groups: network,meta,og,twitter). Use omitEmpty=true to trim tokens for AI agents