Re: [Beacon] Reliable timestamps

I've added a Beacon-Age header to the beacon request per comments on this
thread.
https://w3c.github.io/web-performance/specs/Beacon/Overview.html

Please review and let me know if this looks good.


On Fri, May 16, 2014 at 3:48 PM, Kornel Lesiński <kornel@geekhood.net>wrote:

> On 15.05.2014, at 13:52, Arvind Jain <arvind@google.com> wrote:
>
> > Jonas, your alternate suggestion seems easy too. I'd prefer to keep the
> Beacon spec as minimal as possible. Kornel, would Jonas' suggestion address
> your concern?
>
> I'd have to ensure that I calculate the time offset only uncached page
> load (or make an extra XHR request to get time) and hope the offset doesn't
> change too often. That's an extra complication for cached/offline/phonegap
> apps. It's doable in most cases, but it's not ideal.
>
>
> I wonder whether we could extend Age response header to be used as a
> request header:
> http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.6
>
> --
> regards, Kornel
>
>
>