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Hi Wendy,

I have seen that same thing happening on several sites. In one case, it was an abundance of pages sneaking through that were not part of the site, but had somehow been linked to thus the crawlers were infesting them. Robots entries have done a lot to improve the "not selected" pages in that case.

In another case it was a lot of dupe content, but not a Wordpress site, I'm not familar with the tag/category issue.

What I would do is download the list of all crawl errors from WMT and do whatever needs doing to correct as many of those as you possibly can.

This is what I get on the main Keyword Difficulty Tool page.

As a subscriber to both SEOMoz and Raven, this is throwing a nasty wrench into my ability to do my job - I can't seem to push more than 100 keywords at a time through the AdWords Keyword Tool. I need to evaluate thousands of keywords at a time.