With Javascript disabled the aspect that is a pet peeve isn't some broken functionality of a site (which one would expect) but when a considerable amount of sites add a blank overlay until JS and/or cookies are enabled. And not the scenario where JS is responsible for loading the content but literally when it's just an arbitrary blank viewport-encompassing element covering the already loaded content—all so the site c…
They don’t want you there, they are poorly designed sites, and you are better off leaving them.
A site isn’t broken if it doesn’t work without JS anymore than it’s broken if you disable TLS or CSS or any other part of the web.