Empty, Loading, and Error States: The UX Nobody Designs Until Users Suffer | Clickmasters

Skeletons over spinners, progress for the long operations, and optimistic UI where safe — perceived speed is designed, and Core Web Vitals measure the floor.

Every screen × {empty, partial, loading, error, offline} audited in design review — the design-system components for each state make coverage cheap.

Skipping the discipline this article describes until an incident, audit, or stalled project forces it — every practice above is cheaper adopted early than retrofitted under pressure.