DuckDuckGo's Tracker Radar (list used in Safari's Privacy Report) has found calls to Google on 82% of all sites. Facebook scripts come second (34% of sites).
Google Analytics is the most popular third-party connection (Google owns 8 of top 10 calls).
@markosaric TIL. At least you can mitigate every bit of it with Ungoogled Chromium + UBO, HTTPS Everywhere, Denetraleyes, and ClearURLs... I mean you could also use those plugins with Firefox but its so insecure nomatter what you do it's hard to recommend anyone to ever use it.
@markosaric Ungoogled Chromium is just normal Chromium but striped from Google services and tracking. It still retains the security model. Firefox is weak in or entirely lacks; site isolation, win32 lockdown, limited X11 exposure, GPU process isolation, ioctl filtering, hardened malloc, CFI, JIT exploit mitigations, ACG, CIG, and much more. Chromium reduces or entirely fixes all of those issues.