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Re: [Resource Timing] Initial “about blank” for iframe

From: Arvind Jain <arvind@google.com>
Date: Wed, 8 May 2013 11:41:55 -0700
Message-ID: <CAOYaDdNMHee-nLp+qmsMYXx6-hgqv5YZK8SSsubas3c0uJxzLg@mail.gmail.com>
To: "Deng, Pan" <pan.deng@intel.com>
Cc: "public-web-perf@w3.org" <public-web-perf@w3.org>
I've fixed the example in the spec.


On Wed, May 8, 2013 at 5:58 AM, Arvind Jain <arvind@google.com> wrote:

> Yes I agree about:blank should not be included.
>
>
> On Tue, May 7, 2013 at 10:25 PM, Deng, Pan <pan.deng@intel.com> wrote:
>
>>  In latest Resource Timing draft [1], example 3 of section 4.2 says:****
>>
>> *“…the user agent may fetch an **about:blank** resource for the **IFRAME*
>> *. If at a later time the **src** attribute is changed dynamically via
>> script, the user agent may fetch the new URL resource for the **IFRAME**.
>> In this case, both the fetch of the **about:blank** resource, as well as
>> the fetch of the new URL would be included as PerformanceResourceTiming**
>> ”*
>>
>> I noticed this example doesn’t exist in CR version [2], and was added
>> from June 27, 2012 draft [3], however I didn’t find a discussion about it.
>> ****
>>
>> ** **
>>
>> Why the initial “about:blank” item should be included? I can’t imagine it
>> is fetched from networking layer. I think it would make more sense if it is:
>> ****
>>
>> *“…In this case, the fetch of the new URL should be included as
>> PerformanceResourceTiming**”*.****
>>
>> You idea? J****
>>
>> ** **
>>
>> [1]
>> https://dvcs.w3.org/hg/webperf/raw-file/tip/specs/ResourceTiming/Overview.html
>> ****
>>
>> [2] http://www.w3.org/TR/resource-timing/ ****
>>
>> [3]
>> http://dvcs.w3.org/hg/webperf/raw-file/9f30b23d0d99/specs/ResourceTiming/Overview.html
>> ****
>>
>> ** **
>>
>> thanks****
>>
>> Pan****
>>
>> ** **
>>
>
>
Received on Wednesday, 8 May 2013 18:42:23 UTC

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