As with anything Google it's all part of an algorithm that no one but Google knows. The one common factor is that this typically occurs only for the top ranked site and is usually a major brand/popular site. You can read more about it in Matt Cutt's blog.
Last edited by stymiee; Jan 10th, 2007 at 10:47 am.
No one has posted to this discussion for at least three months. Please let old threads die and do not reply to them unless you feel you have something new and valuable to contribute that absolutely must be added to make the discussion complete. Otherwise, please start a new thread in this forum instead.
Unsolved 
