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Here's the situation... There's a site that is linking to about 6 articles of mine from about 225 pages of theirs (according to info in GWT).  These pages are sales landing pages looking to sell their product.  The pages are pretty much identical but have different urls. (I actually have a few sites doing this to me.) Here's where I think it's real bad -- when they are linking to me you don't see the link on the page, you have to view the page source and search for my site's url. I'm thinking having a hidden url, and it being my article that's hidden, has got to be bad.  That on top of it being a sales page for a product I've seen traffic to my site dropping but I don't have a warning in GWT. These aren't links that I've placed or asked for in any way.  I don't see how they could be good for me and I've already done what I could to email the site to remove the links (I didn't think it would work but thought I'd at least try). I totally understand that the site linking to me may not have any affect on my current traffic. So should I use the Disavow tool to make sure this site isn't counting against me?