We've already been checking for bad links now for at least a year, if not 18 months. It's been so long, I can't remember when it went into production. Link checking seems to work very well.
-John Kalucki http://twitter.com/jkalucki Infrastructure, Twitter Inc. On Fri, Jun 11, 2010 at 6:21 AM, Dean Collins <d...@cognation.net> wrote: > Of course it is. > > > > Twitter were asked what “defines” a “bad” site on the second day but I > haven’t seen a reply apart from more questions about who is making the > choice, eg will pornography be classed as “bad”, will religious free speech > be classed as “bad”. > > > > I don’t think the Twitheads thought through what it means to now offer an > “aol” version of the web and the long term responsibilities that this > entails through implicit guarantees to their users. > > > > Of course Ken you don’t expect them to publish their ip address list do > you….otherwise some smartass would route this ip address to a “clean” site > and everyone else to the “bad” content. > > > > > > Regards, > > Dean Collins > Cognation Inc > d...@cognation.net > +1-212-203-4357 New York > +61-2-9016-5642 (Sydney in-dial). > +44-20-3129-6001 (London in-dial). > > ________________________________ > > From: email@example.com > [mailto:twitter-development-t...@googlegroups.com] On Behalf Of John Adams > Sent: Friday, 11 June 2010 6:00 AM > To: firstname.lastname@example.org > Subject: Re: [twitter-dev] tco crawler details > > > > t.co is not a crawler; Are you referring to the URL unpacking process or > something else? > > > > -john > > > > On Thu, Jun 10, 2010 at 11:46 PM, Ken <k...@cimas.ch> wrote: > > If tco is to be the new three-letter agency and gatekeeper, we would > like to treat it nice and whitelist its crawler. If tco is > inadvertantly blocked, what happens? > > I do not know if we have already been checked by tco as I have not > sent or received a dm with one of our own URLs. > > What are the user-agent and IP addresses used by this crawler? Does it > check robots.txt? > > And since, for some, a tco thumbsdown could be a problem, is there a > (speedy) appeals process? > >