Re: the link headers, see the HTML 4 spec [0] & RFC 5988 [1]. They're only supported by Firefox and Opera at the moment [2] though.

[0] http://www.w3.org/TR/html4/present/styles.html#h-14.6

[1] http://tools.ietf.org/html/rfc5988

[2] http://greenbytes.de/tech/tc/httplink/