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Every click, tap, or submission a user makes should produce some visible confirmation that the system registered it.
Why Silence Causes Problems
Without feedback, users often assume nothing happened and repeat the action — a common cause of duplicate form submissions or repeated button clicks.
Simple Feedback Mechanisms
A button's visual state changing on click, a brief success message after a form submits, or a loading indicator during a longer process all confirm the system is responding.
Feedback for Errors Too
Silent failures are especially frustrating — a clear error message, even a generic one, is far better than a form that simply does nothing when something goes wrong.
