[_vufv]

You can add this as a bookmark in your browser, and just click it to toggle between x.com and xcancel.com

javascript:(function(){const p=['https://x.com','https://xcancel.com'],u=location.href,i=p.findIndex(x=>u.startsWith(x));if(i!==-1)location.href=p[(i+1)%p.length]+u.slice(p[i].length)})();

[dobladov]

I do something similar since I don't want to trust yet another extension, I made a small Tampermonkey script.

https://gist.github.com/dobladov/62c4be59d774347cb480b115969...

[nickthegreek]

that still gives X the impression though, which some are not to keen on.