AI Visibility and AI Search Glossary
Definitions that separate useful measurement concepts from fashionable but vague terminology.
Operational summary
Clear definitions of the concepts used to measure and improve brand visibility in AI answers.
Pick a specific topic and go straight to the definition, the procedure or the use case.
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Section navigation
Each entry covers a single operational topic: a definition, a procedure, an industry scenario or a research protocol. The sequence moves from context to decision.
Available Glossary
Generative Engine Optimization (GEO)
GEO does not replace SEO. It adds a layer of understandability and citability for AI systems generating responses.
AI Overviews
In the era of AI Overviews, organic position alone is not enough - what matters is whether the content can be used as a source of answers.
IndexNow for GEO and AI Search
IndexNow may speed up the discovery of changes, but does not guarantee citations or recommendations by AI.
Entity Grounding and E-E-A-T in LLMs
Without consistent E-E-A-T entities and signals, AI models are more likely to choose larger directories or aggregators rather than a company website.
Content Citability for LLMs
Citation increases when each section answers a question and provides context/evidence, not just a sales pitch.
Brand Gravity
Brand Gravity increases when AI models treat your brand as a reliable source of recommendations - they not only mention it, but justify the choice.
Share of Model
Share of Model is the equivalent of share of voice in the AI world - it measures how many times the model recommends your brand compared to the competition.
Answer Engine Optimization (AEO)
AEO is AI optimization that responds instead of linking - it includes ChatGPT, Perplexity and Google AI Overviews.
Brand Entity
Brand Entity is 'AI knowledge about your brand' - the better established it is, the more confidently ChatGPT and Perplexity recommend you.
The knowledge centre is only a starting point
A structured audit reveals where AI systems lack the evidence needed to describe and recommend your brand accurately.
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