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GlossaryAI era

LLM citation

LLM citation is an emerging term for a source that an AI answer engine, such as ChatGPT search, Perplexity or Google's AI Overviews, credits for a generated answer, usually shown as a link beside the text.

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Also called AI visibility · AI citation

LLM citation, explained

Engines that search the web while answering retrieve pages from an index, write a response and attach the pages they drew on. A page must be reachable to be cited: OpenAI says sites that block its OAI-SearchBot crawler are left out of ChatGPT's search answers. Tracking tools also count mentions, where a brand is named in the answer without a link; AI visibility, the related term, covers both. There is no standard measure. Trackers sample sets of prompts, and results shift by engine, wording and date.

For a domain investor the term matters in two places. When selling, expect buyers to ask about AI visibility alongside search. A clear, distinctive name is easier for people and machines to attribute to one company, but no name guarantees citations, so never promise them. When buying a keyword name for a project, remember that engines cite pages, not domains: a parked or for-sale page gives them nothing to quote.

Example. Asking an answer engine which registrars support DNSSEC and seeing a registrar's help page linked under the reply is an LLM citation; seeing the registrar named without a link is a mention.

Go deeper Domain Investing in the Age of AI: What Changed and What Didn't

Sources

  1. OpenAI — Overview of OpenAI crawlers, OAI-SearchBot and GPTBot (accessed Oct 1, 2026)

Education, not financial, legal or tax advice. Domain investing is speculative and most domain names never sell. Read the disclaimer.

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