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Alan, thank you for the answer. I am a Pro Member (trial version). But the only crawl diagnostics that I can find inside my campaign is a short Crawl Diagnostics summary which doesn´t include all the information that the crawl test tool gave me... I have just set up a campaign for the root domain, let´s see if the crawl diagnostics give me more information for that one.

I am using for the first time the crawl test tool from SEOmoz and I do not really understand which URLs the tool is going to crawl.

First, it says "enter any subdomain" --> why can´t I do the crawl for the root domain?

Second it says "we'll crawl up to 3,000 linked-to pages" --> does that mean that the tool crawls all internal links that it can find on the given domain?

Thanks for your help!