Cut to the Chase: JavaScript Bandwidth and Loading on X Platform

https://blogfreely.net/weyladikle/h1-b-imprint-pages-on-x-com-with-javascript-clear-answers-for-european-legal

How Slow Connections and Heavy JS Make X Platform Feel 3-5x Slower Listen: users on mobile care about two numbers more than your fancy UI — how long until something useful shows up, and how many bytes they had to download to get there