The AI search glossary
Every GEO and AI search term, defined the citable way: GEO, AEO, RAG, LLM, crawlers, citations and more.
Go from definitions to data: track every AI bot that reads your site, in real time, with AI search analytics.
AEO
AEO (Answer Engine Optimization) focuses on getting your content selected as direct answers in featured snippets and AI responses. Learn how AEO and GEO connect.
AI Agent
An AI agent is an autonomous system that plans, reasons, and uses tools to complete multi-step tasks. Learn how AI agents reshape content strategy and GEO.
AI Bot
An AI bot is a software program powered by artificial intelligence that performs tasks autonomously. Learn about AI crawler bots and their role in GEO strategy.
AI Hallucination
An AI hallucination is when an AI model generates false information confidently. Learn how hallucinations affect brand visibility, sales, and GEO strategy in 2026.
Artificial Intelligence
Artificial intelligence is the field of building systems that perform human-like cognitive tasks. Discover how AI powers modern search, GEO, and marketing.
ChatGPT
ChatGPT is the most cited AI search engine in 2026. Learn how ChatGPT works, why it matters for GEO, and how brands earn citations inside ChatGPT answers.
Citations
Citations in AI search are references that models like ChatGPT and Perplexity attribute to your content. Learn how to earn more AI citations with GEO optimization.
Claude
Claude is the family of large language models developed by Anthropic. Built around Constitutional AI, Claude models (Haiku, Sonnet, Opus, Fable) power assistants, autonomous agents and AI search engines that cite third-party sources, making Claude a critical visibility channel for GEO.
Crawl
A crawl is the automated process by which bots discover and index web pages. Learn why crawling is essential for both SEO rankings and AI citation visibility.
Fan-out queries
Fan-out queries let AI search engines split one question into multiple sub-queries to build a fuller answer. Here's how they work and why they matter for GEO.
GEO (Generative Engine Optimization)
GEO (Generative Engine Optimization) is the practice of optimizing content to be cited by AI platforms like ChatGPT, Perplexity, and Gemini. Learn how it works.
Gemini
Gemini is Google's multimodal AI powering AI Overviews in Search and Workspace. Learn how it selects content and why it matters for your GEO strategy.
LLM
A LLM is a large language model behind ChatGPT, Claude, Gemini, and Perplexity. Learn how LLMs work, why they matter for GEO, and how to optimize for LLM citations.
llms.txt
llms.txt is a standard file that tells AI crawlers how to access and use your content. Learn how llms.txt works, why it matters for GEO, and how to set it up.
Mount AI
Mount AI is the mountain-shaped traffic curve of sites flooded with unedited AI content: a fast climb, then a brutal collapse at the next Google core update. Definition, mechanics and how to avoid it.
Parasite SEO
Parasite SEO means publishing on a third-party domain to borrow its authority. Google penalises it as site reputation abuse. What still works in 2026, and why it builds no asset.
Perplexity
Perplexity is an AI-powered answer engine combining real-time web search with cited responses. Learn how to optimize your content to be cited by Perplexity.
RAG
RAG (Retrieval-Augmented Generation) combines LLM generation with real-time information retrieval. Learn how RAG powers AI citations and why it matters for GEO.
SEO (Search Engine Optimization)
SEO (Search Engine Optimization) improves your website's visibility in organic search results. Learn its three pillars and how it connects to GEO in 2026.