&quot;but most advertisers, sponsors, etc will only trust third party analytics in determining advertising rates, sponsorship levels, etc.&quot;<p>Then you are losing at the negotiation table and trying to blame &quot;the users&quot;.  Those advertisers are simply wrong.  No 3rd party analytics service can provide more accurate data than server logs.  None.<p>&quot;I&#x27;d wager we&#x27;ll have some sites start to block those users at some point in the future.&quot;<p>And I would wager that it won&#x27;t help their business increase revenue or decrease expenses.