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AB-117
Image alt text coverage
What it means
All images on your page have alt attributes (empty alt is valid for decorative images).
Why it matters
Alt text ensures screen readers and AI agents can understand image content. Missing alt text is a WCAG 2.1 Level A violation.
✗
What's wrong
<img src="hero.jpg"> — no alt attribute at all.
✓
What's right
<img src="hero.jpg" alt="Product dashboard showing analytics"> or <img src="spacer.gif" alt=""> for decorative images.
Check this rule on your site
Enter your URL to check just this one rule (AB-001).