|  | Posted by Philip Hallstrom on 08/12/05 03:52 
>> robots.txt will not do what you want it to.>>
 >> Just sniff for those robots' User-Agents (Google, MSN and Yahoo all publish
 >> their UA strings on their websites, AFAIK) and send different content if
 >> it's one of those.
 >
 > they will hammer you for it eventually - AFAICT all major SEs send out their
 > spiders occasionally with faked user-agent strings - to catch out crap like
 > this.
 
 google adsense won't.  I explicity asked them about this.  Well, what I
 asked was that if I had a password protected area, could I allow them
 access to spider the content so that normal users could see the ads.  I
 told them the layout would be different, but the content the same.
 
 They said that was fine.
 
 2cents.
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