All rules
warningContent
Describe every image
Alt text carries the meaning of an image into the agent’s text-only view of the page.
Score weight−8
Capability checkDescribe every image
Images without alt fail “Describe every image.” For informative images, alt text should say what matters about them; for decorative images, alt="" explicitly marks them as noise.
Informative vs decorative
<img src="hero.png" alt="Agent-first analytics dashboard" /> <img src="divider.svg" alt="" />
See if your page fails this rule.
The audit runs every documented check and reports the ones that fail, with fixes.