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Spinner

A small rotating shape that shows something is loading, without saying how long it will take.

Demo

Also known as

How to recognize it

A ring with one colored section, or a circle of dots, that keeps spinning.

Behavior

  • Shown while waiting for data and removed when loading finishes.
  • The spinning shape is decorative; a text such as “Loading…” in a status region tells screen reader users what is happening.
  • With the reduce-motion setting, this demo spins more slowly.

Keyboard

KeyAction
—None. The demo’s load button uses Enter / Space.

Usage notes

  • Use an animated indicator for loading the whole screen. For a small area, a static indicator is enough.
  • Progress bar: A spinner only shows that something is happening; a progress bar shows how far along it is.
  • Skeleton: A spinner is one shape for any wait; a skeleton previews the layout of the content that is loading.

Sources