Aaron Reed wrote:
Currently I build a channel and if it is just a http channel I request
the head otherwise I'll request the whole thing.
If that level of pinging is ok for you, see nsIURIChecker.idl.
Note, however, that HEAD requests are broken on a lot of servers. If you
seriously rely on this to be correct out on the interweb, then you're kinda
screwed if you want to use HEAD requests.
-Boris
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