GEO glossary

Secondary Source

Secondary Source is a document that analyzes or summarizes information from primary sources.

Why this matters for GEO

Earn accurate independent coverage that points back to originals.

Related terms

• Primary Source
• Third-Party Mention
• Source Diversity
• Brand Mention
• AI Citation
• Citation Frequency

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• Primary Source
• Third-Party Mention

All 150 GEO and AI visibility terms

Updated November 2026.