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[Bug 7918] prefetching: allow site to deny

From: <bugzilla@jessica.w3.org>
Date: Wed, 28 Apr 2010 22:11:28 +0000
To: public-html-bugzilla@w3.org
Message-Id: <E1O7FTc-0000j4-5b@jessica.w3.org>

Jonas Sicking <jonas@sicking.cc> changed:

           What    |Removed                     |Added
                 CC|                            |jonas@sicking.cc

--- Comment #9 from Jonas Sicking <jonas@sicking.cc>  2010-04-28 22:12:08 ---
For what it's worth, in Firefox prefetch implementation we add the http header:

X-Moz: prefetch

to all prefetch requests. This allows sites to block any and all prefetch
requests. It can simply close the TCP connection upon detecting this header.

One downside with your approach is that it causes even more requests to go to
servers, since you have to first request the use.txt file. It also slows down
performance since the two requests have to be made one after another.

The header approach does not suffer these problems.

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Received on Wednesday, 28 April 2010 22:12:16 UTC

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