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Re: [Beacon] Review of current spec

From: Arvind Jain <arvind@google.com>
Date: Thu, 14 Nov 2013 14:07:31 -0800
Message-ID: <CAOYaDdNbO5K4Wx91tidYMjutWkLvfh4gAdjfr734k9zTKtfEbg@mail.gmail.com>
To: Chase Douglas <chase@newrelic.com>
Cc: "Reitbauer, Alois" <Alois.Reitbauer@compuware.com>, "public-web-perf@w3.org" <public-web-perf@w3.org>
Yes that's fine but how do we actually compress from Javascript?


On Thu, Nov 14, 2013 at 2:04 PM, Chase Douglas <chase@newrelic.com> wrote:

> Do you mean what compression algorithm? If so, I'd say gzip, just like is
> used for compressing server responses back to UAs.
>
> Or are you meaning something else?
>
>
>
> On Thu, Nov 14, 2013 at 1:57 PM, Arvind Jain <arvind@google.com> wrote:
>
>> OK. Dumb question: how do we compress the payload in sendBeacon()
>> (assuming we know the server can handle it)?
>>
>>
>> On Thu, Nov 14, 2013 at 9:57 AM, Chase Douglas <chase@newrelic.com>wrote:
>>
>>> I don't think it makes sense to require gzip. The UA can denote whether
>>> gzip is used by setting the Content-Encoding header. As for whether the UA
>>> knows if the server accepts gzip encoding or not, I think that's simply
>>> covered by the fact that the javascript code must already know how to
>>> encapsulate data that is transmitted to the server. This doesn't seem any
>>> different from knowing whether to send XML or JSON or plaintext.
>>>
>>>
>>> On Wed, Nov 13, 2013 at 7:51 PM, Arvind Jain <arvind@google.com> wrote:
>>>
>>>> Could we make accepting gzipped body a requirement for a server
>>>> supporting Beacon?
>>>>
>>>> Arvind
>>>>
>>>>
>>>> On Wed, Nov 13, 2013 at 5:23 PM, Reitbauer, Alois <
>>>> Alois.Reitbauer@compuware.com> wrote:
>>>>
>>>>>  Would make sense. However, the user agent does not know whether the
>>>>> beacon server accepts gzip encoding.
>>>>>
>>>>>
>>>>>  Alois Reitbauer | Technical Product Manager | Compuware APM
>>>>>
>>>>>
>>>>>  ------------------------------
>>>>> *From:* Chase Douglas <chase@newrelic.com>
>>>>> *Sent:* Wednesday, November 13, 2013 5:42 PM
>>>>> *To:* Reitbauer, Alois
>>>>> *Cc:* public-web-perf@w3.org
>>>>> *Subject:* Re: [Beacon] Review of current spec
>>>>>
>>>>>  On Tue, Nov 12, 2013 at 7:09 PM, Reitbauer, Alois <
>>>>> Alois.Reitbauer@compuware.com> wrote:
>>>>>
>>>>>>  Size Limits:
>>>>>>
>>>>>>  We set the size limit to 10k, waiting for feedback whether
>>>>>> analytics tools need more.
>>>>>>
>>>>>
>>>>>  Is it possible to add an option to have the UA compress the data
>>>>> with gzip before sending? The UA obviously can receive gzip compressed
>>>>> data, so why not also optimize message sizes on transmission?
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>>>>>
>>>>
>>>>
>>>
>>
>
Received on Thursday, 14 November 2013 22:08:00 UTC

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