• SEOmoz, Tuesday, November 15, 2011 4:01 PM

Rand Fishkin writes that it appears that Google's Matt Cutts was either misinformed or gave misleading information about referral data, because "(not provided)" became a referrer for many Web sites in November, climbing into the double digits. It continues to rise by more than 20% -- a big problem, according to Fishkin. So he began running a survey last week asking search marketers to provide input on the impact. He provides a visual of analytics data from the 60 sites showing the self-reported percent of their Google search traffic using keywords "(not provided)."

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