Re: dont-revalidate Cache-Control header

Martin Thomson <martin.thomson@gmail.com> Thu, 16 July 2015 20:09 UTC

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References: <CABgOVaLHBb4zcgvO4NUUmAzUjNkocBGYY3atFA9iuYyoLaLQsA@mail.gmail.com> <559F9E90.4020801@treenet.co.nz> <CABgOVaLG6QZyjqk2AGYupShST_u3ty9BpxUcPX+_yMEC1hyHAQ@mail.gmail.com> <961203FE-7E54-410F-923E-71C04914CD2E@mnot.net> <CABgOVaJxntEyT0v4GvWm0Qi9jbUPEnzxJgg4KyQSM1T_gN1mjQ@mail.gmail.com> <16407353-5C34-42E8-81A6-E0027EC3A0D0@mnot.net> <CABgOVa+C48yYp-ZkawY+Ho6pXONa_UfB0MVt_2+d0ejyESu2Pw@mail.gmail.com> <54973543-2406-4188-8DCD-AE3C85ACB76A@mnot.net> <CABgOVa+CrJ0qBGN-nBYZ2qpJo8X+wkYY-zYAqM6MjTom1QT+Bw@mail.gmail.com> <55A7A4F9.1010500@treenet.co.nz> <CABgOVaLnpnmd7JvY6O=tXXboVuvCCn-p1KLzu8wKVkg-yon79w@mail.gmail.com> <CAMSE37vmBJYkiC+c5+aMqWUvLtY4zOHDbhEJkm=K+=KbTyOO2A@mail.gmail.com> <CABkgnnXNAZdXUx_htq2owyP2CtyM-ERzZdbxM8WGWLrCeNQOaQ@mail.gmail.com> <CAMSE37v6qXzNquAqGPaHgVJYwfGeC+uE1hurc7g4wvoL1nvgkA@mail.gmail.com> <CABkgnnX3OMJ2=5AQcYHB9XeN0TEo0OTrcRmrpBujrqCNwnjOag@mail.gmail.com> <CAMSE37uwbLokWApCUMtj5G9zW4p5RzY63XOx-+VeiRdouw3-SA@mail.gmail.com>
Date: Thu, 16 Jul 2015 13:07:17 -0700
Message-ID: <CABkgnnWG9mSg=pCT91tVfEEs1TCxHVnNWRopsPTr+eC4K4Vewg@mail.gmail.com>
From: Martin Thomson <martin.thomson@gmail.com>
To: Guille -bisho- <bishillo@gmail.com>
Cc: Ben Maurer <ben.maurer@gmail.com>, Amos Jeffries <squid3@treenet.co.nz>, HTTP Working Group <ietf-http-wg@w3.org>
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Subject: Re: dont-revalidate Cache-Control header
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On 16 July 2015 at 13:03, Guille -bisho- <bishillo@gmail.com> wrote:
> No if we don't allow self-reference. www.foo.com can only disable
> revalidations on other *different* domains and those are effective for
> sub-resources only, no direct page navigations.

That's a bizarre limitation.  It means that you have to own or use
servers (or two names) in order to use the feature.  That's a pretty
arbitrary limitation.

It also doesn't work, because if you do own the two names, you can use
one to freeze the other.

Like I said, you can implement your proposed solution today, without
writing any standards.  Sure, only Chrome supports it right now, but
that's a whole lot more of the web than none of it.