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I think that the adsense spider visits with a frequency that is somewhat in proportion to the traffic on a particular url so busier urls get retargeted more often. I haven't actually looked at any logs to verify that, however, so take it with the appropriate amount of salt. :)
widget.com, www.widget.com, and www2.widget.com may all be different computers (hosts). In recent times, of course, widget.com and www.widget.com usually refer to the very same server. Google doesn't make that assumption, however, and visits and targets them independently.
>Ok, I think the problem was a combo of coincidence and the non www not getting called often and maybe it just needed to be called to get targetted ads similar to the popular www. Thanks for your help.
Sounds exactly like my system, only in reverse since my www variant is the less popular one and the one poorly targeted.
Fortunately for me, the _vast_ majority of my traffic hits the non-www url. I suppose both you and I could redirect our less popular page to the more popular one.
Added: Thanks, Zoltan. Now I know how to do it. :)
This doesnt hurt seo potential in any way right? I have a unique ip and I need my www spiderable. Sorry to be so ignorant about this.
Thanks for you help.
The forum is a brand new one: