- From: Philippe Le Hegaret <plh@w3.org>
- Date: Fri, 14 Jun 2013 12:56:34 -0400
- To: Arvind Jain <arvind@google.com>
- Cc: public-web-perf <public-web-perf@w3.org>, Chris Bentzel <cbentzel@google.com>, Robin Berjon <robin@w3.org>
On Fri, 2013-06-14 at 09:23 -0700, Arvind Jain wrote: > Hi, > It has been on our charter to write a specification for "prerender". > > > Please check: > http://www.w3.org/html/wg/drafts/html/master/single-page.html#link-type-prefetch > > > It seems logical to specify the behavior of <link rel="prerender"> in > this document. > > > Do folks agree? Or should there be a separate document? > I guess it depends on the size and the level of buy-in. Usually, it's preferred to do an extension spec to start with but, in this case, it seems an overkill. > > Of course, we would need the editors of the HTML5.1 spec to agree that > this belongs in their specification. > I added Robin in the loop to get his opinion. > > My suggestion for the text is as follows. Any comments? > 4.13.5.10 Link type "prerender" > The prerender keyword may be used with a link element. 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. > Any reason why this can't be applied to a and area elements, like prefetch? Philippe > > >
Received on Friday, 14 June 2013 16:56:39 UTC