[whatwg] <a href="" ping="">
ian at hixie.ch
Fri Oct 21 21:22:00 PDT 2005
On Fri, 21 Oct 2005, S. Mike Dierken wrote:
> > >
> > > Or is it just "hitting" -- making an hidden HTTP GET request of each
> > > token in the "ping" attibute?
> > Right. Hidden HTTP POST request, as it happens, but yes.
> Oh, that really shouldn't be done via POST. Clicking a link should be
> safe and sending a POST as a side-effect is not safe.
GET means that you can do it again without affecting anything. In the case
of tracking, you can't -- the very act of contacting that tracking URI can
cost someone money. Hence POST. (This is another advantage of ping over
redirects, come to think of it.)
Ian Hickson U+1047E )\._.,--....,'``. fL
http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,.
Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
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