Slower connections can result in CLS when lazy loading components that you wouldn’t see on wifi connections.

Either don’t lazy load the component at all or await for the js file to be loaded and mounted.

I want a feature called megablock that blocks a bad tweet, the bad tweet’s author, and every single person who liked the bad tweet, then sounds a brief alarm and makes your phone vibrate

Priority Hints fill the gap of prioritising resources that the browser already knows about against each other.