Somebody does this at the company I work for. We get a lot of captcha forms when we try to search for anything. Google recognizes a lot of similar queries happening very quickly from one source, and closes the tap.
I don't know of any software to do that. You could get their toolbar, then check the pages manually. I realize you have a thousand ... but you probably also have a pretty good idea which are ahead of which.
Unfortunately, with 1,000 web pages, a tool bar would take me forever. I need a website that will hammer through all 1,000 pages and tell me what the Top 100 PR pages are.
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A foolish consistency is the hobgoblin of little minds
Thought for today:- I SEO the only industry where all the cowboys are Indians?