Which is fine. If all your JS is doing is adding a few QoL features like collapsing comments, then your site will still be completely usable if the client choos

Which is fine. If all your JS is doing is adding a few QoL features like collapsing comments, then your site will still be completely usable if the client chooses to not run JS. Those that run JS will still load probably just as fast as those without it even if it's not truly "no JS."