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Re: Prerender definition in html5 spec

From: Arvind Jain <arvind@google.com>
Date: Fri, 9 Aug 2013 06:42:39 -0700
Message-ID: <CAOYaDdOrWK4GOacjfyQbPo8uHL2gmatCNtY40mUc18AWw8zBmw@mail.gmail.com>
To: Silvia Pfeiffer <silviapfeiffer1@gmail.com>
Cc: public-html@w3.org
I did add a bug here:

The text that I'd like to add in the specification is here:

In our discussion on public-web-perf@w3.org, the desire is to add this
in the html5 spec next to the "link prefetch" description.


On Fri, Aug 9, 2013 at 6:24 AM, Silvia Pfeiffer
<silviapfeiffer1@gmail.com> wrote:
> Could you register a bug to add this? That's the best way to keep track of it.
> Thanks,
> Silvia.
> On Wed, Jul 10, 2013 at 11:38 AM, Arvind Jain <arvind@google.com> wrote:
>> I'd like to propose adding link type "prerender" to the html5 specification.
>> It is similar in nature to the existing link type "prefetch" in the
>> specification.
>> The "prerender" keyword is meant to be a hint to the browser to load a
>> webpage in anticipation of a user navigation. It's implemented in Chrome and
>> IE11 as an experimental feature.
>> We discussed this in the Web Performance working group:
>> http://lists.w3.org/Archives/Public/public-web-perf/2013Jun/0013.html
>> I've written below the proposed addition to the html5 spec below. Please let
>> me know if you have any comments on it and what would be the next step in
>> considering this addition to the spec.
>> Thanks,
>> Arvind
>> Link type "prerender"
>> The prerender keyword may be used with a link, a, and area elements. This
>> keyword creates an external resource link.
>> The prerender keyword indicates that preemptively fetching and loading the
>> specified resource in a hidden top-level browsing context is likely to be
>> beneficial, as it is highly likely that the user will navigate to this
>> resource. If the resource is navigated to, the user agent may replace the
>> current browsing context with the one it loaded the specified resource in.
>> The user agent may discard the browsing context corresponding to the
>> prerendered resource if any of the following is true:
>> If the resource is not navigated to within a reasonable amount of time.
>> If the user navigates to some other resource from the current browsing
>> context.
>> If the link element is removed from the document.
>> There is no default type for resources given by the prerender keyword.
Received on Friday, 9 August 2013 13:43:16 UTC

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