# Image alt text

### [#](#rule)Rule

All images must include accurate, concise alternative text that describes the image’s essential content and function. Decorative images should be marked as decorative (empty alt) to avoid noise for assistive technologies.

### [#](#why-it-matters)Why it matters

Essential for accessibility compliance; violates WCAG. Missing or poor alt text prevents screen reader users from understanding visuals and undermines inclusive documentation.