, I created "Wayback Everywhere" addon : Auto-redirect all pages opened from feeds to their archived versions in Wayback Machine + Auto-save to WM if not yet archived. Has Updatable "Excludes List" + can also Auto-Exclude sites.
(Pic) my 11 month📱 stats
All features listed briefly : https://gitlab.com/gkrishnaks/WaybackEverywhere-Firefox/blob/master/README.md
also decided to add it to Awesome HT list! cc @privacylab