So I discovered that a very popular forum I use (I'm sure even many of you use it), does not "no-follow" their links. So I posted in the market section with a nice decently long description and a large anchor text backlink. If I search on Google my keyword, on page three my post from that forum show up. However, this does NOT show up on Alexa or Webmaster tools. Now to domain is PR4. But the post is n/a. Is this the cause? will building backlinks to the post fix this?