User experience

Fitts's Law

Fitts's Law states that the time it takes to hit a target depends on the target's size and distance. Larger and closer elements are faster and easier to hit.

A large purchase button placed within thumb's reach on mobile is easier to tap than a small button in the corner.

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Related terms

A/B Split Test Above the Fold Accessibility Affordance Breadcrumb trail Call to action (CTA) Cart abandonment Checkout
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