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Shepherd writeup

# Shepherd Writeup for draft-ietf-httpbis-client-hints

## 1. Summary

Mark Nottingham is the Document Shepherd; Barry Lieba is the Responsible AD.

An increasing diversity of Web-connected devices and software capabilities has
created a need to deliver optimized content for each device.

This specification defines a set of HTTP request header fields, colloquially
known as Client Hints, to address this. They are intended to be used as input
to proactive content negotiation; just as the Accept header field allows
clients to indicate what formats they prefer, Client Hints allow clients to
indicate a list of device and agent specific preferences.

The intended status is Experimental, as there is currently only implementation
in one major browser engine (Chromium, used in several browsers). The Working
Group felt that it was useful to document this protocol extension to improve
interoperability and encourage further implementation.

## 2. Review and Consensus

The document was reviewed by a broad range of Working Group participants, as
well as external parties (through Github and other external venues). Members of
the Web performance optimisation community are especially interested in this
specification, as it allows for automating the use of "responsive images."

Consensus is rough regarding how useful this specification will be, but there
was agreement that it was useful to document; hence the Experimental status.

## 3. Intellectual Property

The authors confirm that to their direct, personal knowledge, all IPR related
to this document has already been disclosed.

## 4. Other Points

There are no downrefs.  IANA Considerations are clear.