Key combo Cmd-, (That’s command comma. Which I described as one key, cheating slightly, but hey they are so close to each other.) Preferences panel comes up.

Key combo Cmd-, (That’s command comma. Which I described as one key, cheating slightly, but hey they are so close to each other.) Preferences panel comes up. If you leave it on the security tab, the checkbox comes up. Uncheck it and now the site is usable without JS. Another click on background or Esc to dismiss the dialog if you want to, but for some things that’s not even needed (therefore I claimed that low click count... ymmv).