[tomrittervg]

> Also by default addons.mozilla.org is a privileged site so of course they include google tracking in it and they get the proper fingerprint no matter what you have configured

AMOs privileges are limited to (A) installing extensions with only one prompt (instead of two) (b) launching some sort of "UI Tour" feature that highlights some features of the UI and (c) extensions cannot, by default, operate on the site. That last one is an unfortunate trade-off we've made because of the massive waves of malicious extensions. You can re-enable extensions access to AMO on a case by case basis: https://support.mozilla.org/en-US/kb/quarantined-domains but I recognize this is an opt-in, non-default configuration.

I am saddened to hear we use Google Analytics on the site, but I can tell you with certainty that it is not bypassing any of Firefox's built-in fingerprinting protections or getting any privileged access that way.