37 Audits
🖼️

Image Alt Checker

SEO Checker

Validates image alt attributes for accessibility compliance

SEO
10 credits
Per check
~30 seconds
Average runtime
Active
Status

How it works

This checker analyzes all images on a webpage to ensure they have proper alt attributes for accessibility compliance and SEO optimization. The checker scans all img elements on the page, checks for presence and content of alt attributes, categorizes images as having valid alt, missing alt, or empty alt, and provides detailed reporting of problematic images.

What this checker validates

This checker analyzes all images on a webpage to ensure they have proper alt attributes for accessibility compliance and SEO optimization. It scans all img elements on the page, checks for presence and content of alt attributes, categorizes images as having valid alt, missing alt, or empty alt, and provides detailed reporting of problematic images.

Output Documentation

StatusConditionTest Logic
SUCCESSAll images have valid alt attributesAll images found have non-empty alt attributes
FAILImages missing valid alt attributesFound images without alt attributes or with empty alt values

Risks and Considerations

Accessibility Violations: Missing alt text makes your site inaccessible to users with screen readers, potentially violating accessibility laws. SEO Penalties: Search engines cannot understand image content, affecting your search rankings. User Experience: Visually impaired users cannot understand your content.

Ready to start auditing?

Add this checker to your monitoring setup and start identifying issues on your websites today.