Stopusernames

If a bitter instance is logged in for you it should work. But maybe they can trick earth with pretending to embed

And you can use orbot and tor which will give the same effect as you wish. Although setting up tor system wide on desktop is complicated

VPNs like proton and windscribe have free plans and you can use trial resets for some paid vpns

Look at stuff like calyx project

Kiwi browser with bypass paywall clean extension