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Re: [Beacon] spec feedback + few suggestions

From: Jonas Sicking <jonas@sicking.cc>
Date: Tue, 19 Nov 2013 22:07:54 -0800
Message-ID: <CA+c2ei9jByRcpZ64KqtFtgp=qpUYTCVJnxnc70GBce3TMEs8Uw@mail.gmail.com>
To: Ilya Grigorik <igrigorik@google.com>
Cc: Jatinder Mann <jmann@microsoft.com>, "Austin, Daniel" <daaustin@paypal.com>, Chase Douglas <chase@newrelic.com>, public-web-perf <public-web-perf@w3.org>
On Tue, Nov 19, 2013 at 5:08 PM, Ilya Grigorik <igrigorik@google.com> wrote:
>
> On Wed, Nov 6, 2013 at 4:11 PM, Jatinder Mann <jmann@microsoft.com> wrote:
>>
>> Iíve also opened Action 111: Determine appropriate size limit for beacon
>> data based on current usage patterns [2] to help us determine what the right
>> limit should be for beacon data transmissions and whether we should set a
>> limit on number of beacons per page or rate at which beacons are
>> transmitted. Ilya, you had mentioned that you were going to look at Google
>> Analytics data to see what the common analytics package sizes are? That data
>> will go a long way in helping us determine an appropriate limit.
>
> After some back and forth with the GA team... "10KB per beacon limit is
> sufficient for current GA needs". Unfortunately, the GA team has asked me to
> not disclose the exact distribution, but based on the data I've seen, 10KB
> is in the right ballpark: it covers current use cases and provides some
> margin for growth. That said, values below 10KB will begin to pose problems
> pretty quickly.. So, it may be worth considering 10KB as a good floor value.

Having talked with the mozilla network people, I would recommend a
10Kb per beacon limit, and a 64Kb total queued beacon data per origin
limit. I.e. a website would be allowed to queue up as many beacons as
it wants, but the accumulated size of all beacons must be less than
64Kb.

/ Jonas
Received on Wednesday, 20 November 2013 06:08:51 UTC

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