Hi

Further to Ally's answer, in my experiance Baidu tends to ignor the robot.txt, so just do it on the server side.

S

As long as your consistent, but it just comes down to which have the higest ranksing if on an existing site.

I tend to prefer non-www for new sites as its less typing and un-necessary.

There is a moment for non-www http://no-www.org/