[whatwg] Feedback on Meta referrer
simonp at opera.com
Sun Jan 1 22:55:53 PST 2012
On Sat, 31 Dec 2011 19:11:53 +0100, Adam Barth <w3c at adambarth.com> wrote:
>> Another concern is what should happen if a request is sent before
>> finding a meta referrer. For instance:
>> <link rel="stylesheet" href="a.css">
>> <meta name="referrer" content="never">
>> In what conditions should the request for the css file be done? Ignore
>> the meta tag? Wait until the end of <head> in case there would be a meta
> The policy for a given network fetch is determined when the fetch is
> made. In this case, the request for a.css will include the Referer
> header. If you move the <meta> tag above the <link> tag, then the
> request will not include the Referer header.
<meta name="referrer" content="never">
<link rel="stylesheet" href="a.css">
...and the browser speculatively fetches the stylesheet before the <meta>
element is in the DOM? Should the speculative parser have knowledge of
>> "TODO: This algorithm causes the most recently added meta element to
>> control the referrer-policy. Should we support changing the policy by
>> setting the content attribute? "
>> => I think that allowing to change the policy by setting the content
>> attribute would be a good idea, but a question can arise regarding what
>> happens if there are several such <meta> elements in the document.
> Yeah. Is there some precedent we should look to here? Perhaps the
> <base> element?
Perhaps this should even be an attribute on <base> -- <base referrer="...">
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