Using the old Reddit site as the default: https://www.reddit.com/r/help/comments/8f2n7d/how_do_i_perma...
I knew https://addons.mozilla.org/en-US/firefox/addon/privacy-redir... could do the last two plus something for Instagram, searched https://duckduckgo.com/?q=nitter+invidious+instagram and lo and behold, https://www.oldd.it/r/privacy/comments/hpy82f/redirect_twitt....
I’d be surprised if HTTPS Everywhere wasn’t whitelisted. And if it isn’t, TIL you can use it to fix Reddit.