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Our site is built on Dot Net Nuke. SEOmoz shows a very large amount of duplicate content because at the beginning each page got an extension in the following format:

www.domain.com/tabid/110/Default.aspx

The site additionally exists without the tabid... part.

Our web developer says an easy fix with a canonical tag or 301 redirect is not possible.

Does anyone have DNN experience and can point us in the right direction?

Thanks,

Ricarda

Thanks. I will check them out.

I really appreciated your help on this!

Best,

Ricarda

Hi Mike,

Thanks for your prompt response. That was helpful. Google Webmaster does not show the same errors as SEOmoz.

I think some redirect that I got fixed yesterday may also have taken care of these errors, which would mean the SEOmoz last crawl may be outdated. If SEOmoz keeps showing these errors, should I just ignore them since Google is more relevant?

Thanks,

Ricarda

We have just a few 404 errors on our site. Is there any way to figure out which pages are linking to the pages that create 404 errors? I would rather fix the links than create new 301 redirects.

Thanks!

Thanks so much, John. I appreciate your prompt and thorough response.

I guess I need to check why the redirects are not working the way they are supposed to. However, Google Webmaster does seem to see them because they do not flag duplicate titles etc.

I am not sure what you mean with the comment on the active class. Would you mind explaining that?

Thanks!

The SEOmoz crawl report shows me a large amount of duplicate content sites. Our site is built on a CMS that creates the link we want it to be but also automatically creates it's own longer version of the link (e.g. http://www.federalnational.com/About/tabid/82/Default.aspx and http://www.federalnational.com/about.aspx). We set the site up so that there are automatic redirects for our site.

Google Webmaster does not see these pages as duplicate pages. Why does SEOmoz consider them duplicate content? Is there a way to weed this out so that the crawl report becomes more meaningful?

Thanks!