Google Analytics opt-out browser add-on
. This might require enabling 3rd party cookies in your browser.
. Worth studying.
How Google uses data when you use our partners' sites or apps
. Google Analytics, AdSense, +1, etc.
is worth a quick visit to see just how common, or rare, your web browser and the information it gives out is, even if you limit or disable cookies
. I just checked mine, the User Agent alone they suggest it is seen in about 1 in ~4.25 million browsers, very much an over estimate in my case, it's unlikely that there's more than 3 machines with the same User Agent as mine currently.