More and more, I hear bloggers complaining that their total incoming referred hits from Google have fallen dramatically. It's my belief that this is happening because the total amount of link between blogs and that are indexed by Google have been reduced substantially by the rel='NOFOLLOW' attribute. Here's a sample hit chart for a French blog.
This month, I noticed a similar change in Google referrers on the kbcafe.com domain. This is the price the blogosphere pays for not controlling comment SPAM.
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