The craziness is that more and more sites won't even render anymore without third-party javascript. Without bootstrap, jquery, fonts, etc, at least the page will still work, and it will work better because there's no bootstrap, jquery, fonts, etc.
Mind you, these are sites that can be served perfectly with a 1Kb HTML page + a bit of CSS. Not web apps or anything, where I understand you'd want to load a bunch of XHR requests.