Plain-language definitions for the 2026 operator stack.
Agentic AI, AIO, AEO, structured data, and the operator vocabulary that's emerged across the last 24 months. Short answers, real depth where it earns its space.
AIO and AEO
9AI Visibility
How often and how accurately a brand appears inside AI engine answers (ChatGPT, Claude, Perplexity).
ReadGPTBot
OpenAI's web crawler that indexes content for ChatGPT and the OpenAI training corpus.
ReadClaudeBot
Anthropic's web crawler that indexes content for Claude's search and citation features.
ReadPerplexityBot
Perplexity AI's web crawler that powers citation in Perplexity's search and answer engine.
ReadGEO (Generative Engine Optimization)
Optimizing content for citation inside AI-generated answer paragraphs. Used interchangeably with AEO by most practitioners.
Readllms-full.txt
The depth file companion to llms.txt. Contains the full canonical content AI engines should index for citation.
ReadAI Crawler
Umbrella term for the web crawlers operated by AI engines (GPTBot, ClaudeBot, PerplexityBot, Google-Extended, Applebot-Extended, and 25+ more).
ReadShare of Voice (AI)
Your share of citation slots versus competitors inside AI engine answers for queries relevant to your category.
ReadE-E-A-T
Experience, Expertise, Authoritativeness, Trustworthiness. Google's quality framework that also drives AI engine ranking.
Read