https://www.omgubuntu.co.uk/2022/04/how-to-install-firefox-deb-apt-ubuntu-22-04
This seems to be the best guide and the page was updated August 2023. But, I don't think I'll switch because websites load fine. Facebook and Reddit are really slow but I plan to delete those accounts. Everything else works well.
In all honesty we should all be running for community board. They actually have a bit of power. It just costs money to register, that's my problem lol. Priorities.