Estensioni dei formati di syndication supportati

• Apple iTunes
• Basic Geocoding Vocabulary
• BlogChannel
• Creative Commons Licensing
• Dublin Core Metadata Element Set
• Dublin Core Metadata Initiative (DCMI) Metadata Terms
• Feed History
• Feed Ranking
• LiveJournal
• Microsoft FeedSync
• Microsoft Simple List Extensions (SLE)
• Pheed Photography
• Pingback
• RDF Site Summary Content
• RDF Site Summary Slash
• RDF Site Summary Syndication/Update
• Trackback
• Well-Formed Web Comment API
• Yahoo Media

Compatibilità retroattiva verso formati di syndication legacy

• Atom 0.3
• Outline Processing Markup Language (OPML) 1.0
• Really Simple Discoverability (RSD) 0.6
• RDF Site Summary (RSS) 1.0
• RDF Site Summary (RSS) 0.90
• Really Simple Syndication (RSS) 0.92
• Really Simple Syndication (RSS) 0.91

Riferimenti interni

• hivesoft HAP