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Rubric signal alt-text

Alt-text

≥80% of <img> tags have non-empty alt attributes.

Class
Structure
Source
Google SGE evaluation guide

Why it matters for AI citation

Multi-modal engines (Gemini, Claude, GPT-4o) read alt-text as page semantic context.

How to fix it

Add descriptive alt to every meaningful image. Decorative images get alt="".

About the Structure class

How parseable your page is to an AI engine. Schema, headings, lists, tables, alt-text, OG meta. The substrate that makes everything else legible.

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