Content-Based Origins for the Web

Document Type Expired Internet-Draft (individual)
Author Martin Thomson 
Last updated 2020-09-10 (latest revision 2020-03-09)
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


Making content available to clients that are unable or unwilling to contact a web origin enables new means of acquiring content. This document describes a method for taking application state accumulated by an offline user agent in relation to a piece of content and making that state available in a fully online context. This enables continuous use of content, starting from a state where the user agent does not contact an origin and ending with This document proposes an update to the definition of Origin in RFC 6454. It also proposes changes that would affect HTML, which is outside of the remit of the IETF.


Martin Thomson (

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