Yes, Google Analytics is on most of the web. Guess what else is? AdSense. Even if a site doesn't have Analytics, if it has AdSense, then most of the same tracki

Yes, Google Analytics is on most of the web. Guess what else is? AdSense. Even if a site doesn't have Analytics, if it has AdSense, then most of the same tracking comes into play. A massive fraction of the web - at least, the websites that get traffic - has either or both of these built in.