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//! Extractors for various structured data formats
//!
//! Organized by implementation phase (prioritized by real-world adoption):
//! - Phase 1: Standard HTML Meta Tags (100% adoption)
//! - Phase 2: Social Media - Open Graph, Twitter Cards (60%+45% adoption)
//! - Phase 3: JSON-LD / Schema.org (41% adoption, growing)
//! - Phase 4: Microdata (26% adoption)
//! - Phase 5: oEmbed (content embedding)
//! - Phase 7: Microformats (5-10% adoption)
//! - Phase 9: Dublin Core (archives and digital libraries)
// Phase 1: Standard Meta Tags (100% adoption) - IMPLEMENTED
// Phase 2: Social Media (60%+45% adoption) - IMPLEMENTED
// Phase 3: JSON-LD (41% adoption) - IMPLEMENTED
// Phase 4: Microdata (26% adoption) - IMPLEMENTED
// Phase 5: oEmbed - IMPLEMENTED
// Phase 7: Microformats (5-10% adoption) - IMPLEMENTED
// Phase 9: Dublin Core - IMPLEMENTED
// RDFa - W3C standard for semantic markup (62% adoption)
// Web App Manifest - PWA metadata
// rel-* link relationships
// Re-export microformats extractors for backward compatibility
pub use ;