This page documents specifications which have some past or present relationship to the WHATWG HTML Standard.
Work that once took place within the WHATWG HTML Standard but that now continues elsewhere.
|Former section(s)||Current specification||Notes|
|Content-Type Processing Model||MIME Sniffing (WHATWG)|
|DOM Parsing and Serialization||DOM Parsing and Serialization (WHATWG)|
|Editing APIs||HTML Editing APIs (W3C)|
|UndoManager and DOM Transaction (W3C)|
|Origin||The Web Origin Concept (IETF)||RFC 6454|
|Selectors API||Selectors API Level 1 (W3C)|
|Selectors API Level 2 (W3C)|
|Web Database||Web SQL Database (W3C)||Abandoned in late 2010.|
The WebSocket Protocol (IETF)
|Web Subtitle Resource Tracks||WebVTT (W3C)|
Work that is being done in the WHATWG HTML Standard and then republished separately elsewhere.
|Current section(s)||Derivative specification||Notes|
|Web workers||Web Workers (W3C)|
|Server-sent events||Server-Sent Events (W3C)|
|Web sockets||The WebSocket API (W3C)|
|Web storage||Web Storage (W3C)|
Work that has forked from the WHATWG HTML Standard and may differ significantly from that document.
|Derivative specification||Standards body||Notes|
|HTML5||W3C||Regularly takes patches from the WHATWG spec, but is not up to date and doesn't take all changes. See this document for an incomplete list of differences.|