Designing Loading in Product UIs: Spinners vs Skeletons vs Optimistic UI (When Each Is Right)
Loading is a UX surface. People don’t rage at “waiting” as much as they rage at uncertainty. If you want your UI to feel calm, fast, and expensive, pick the loading pattern that answers the user’s real question in that moment: Did it register? Is it working? Am I safe to keep going? The 4-variable decision (use this every time) Duration: instant, short, long Predictability: do we know what will show up (shape) and ro...






