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GEO

Also known as: generative engine optimization, AI search optimization, LLM visibility

Definition

GEO is optimising content so generative engines such as AI Overviews, Yandex Neuro, GigaChat and Perplexity quote it, and it layers on top of SEO rather than replacing it, because Yandex neural search keeps no separate index of its own.

Start with the fact most proposals bury halfway down: without an SEO foundation, GEO does nothing. Yandex neural search builds its answer on top of the main results, and Google AI Overviews draws sources mostly from documents already ranking well for the query or its paraphrases. A site that is not indexed, has no trust and does not reach the top twenty will not appear in a generative answer regardless of how much neural optimisation was purchased. Selling GEO as an alternative to SEO is either a misunderstanding of the mechanics or a deliberate simplification.

The engines are built differently and the work only partly overlaps. AI Overviews and Neuro sit on their own search indexes and inherit SEO results directly. ChatGPT and Perplexity use web search plus their own crawlers, so whether you allow those crawlers in robots.txt matters too. GigaChat leans more heavily on large Russian-language sources. What they share is this: what gets quoted is not an optimised page but an extractable passage, meaning a direct answer in the first 40 to 60 words under a heading, concrete numbers, a table, a list of criteria.

On llms.txt it is worth being blunt, because most Russian-language guides get it wrong. It is a community-proposed file at the site root that maps content for language models. It is optional and it is not a standard: Google has said Search does not use it, and no other major engine has confirmed official support. Publishing the file is fine, it costs half an hour and does no harm, but selling llms.txt implementation as the foundation of GEO is not honest. The technical gains come from AI crawler access, correct JSON-LD and a clean heading hierarchy.

Measurement is the weak spot of the entire GEO market. Generative answers are non-deterministic: the same prompt returns different output run to run, so a screenshot of one good answer proves nothing. What you measure is frequency: a fixed list of twenty to forty questions, run weekly against each engine, tracking the share of answers that mention the brand and the share that link to the site. That table produces comparable numbers week over week and turns the effectiveness conversation into a factual one.

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