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Methodology · AI Search Infrastructure

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Definition

LLMO — Large Language Model Optimization — is the practice of optimizing content, entity signals, and brand infrastructure specifically to improve how a brand is represented and cited within LLM-generated outputs. It is the discipline that sits at the intersection of traditional SEO, entity optimization, and content strategy. LLMO is what PLC does. It is the recognition that LLMs are now a primary channel through which people discover, evaluate, and form opinions about brands — and that the signals LLMs use to evaluate authority are different from the signals traditional search engines use. LLMO is not a replacement for SEO; it is the layer built on top of it, addressing the retrieval, training corpus, and entity infrastructure questions that traditional SEO does not.

AI SEO

GEO

AEO

Retrieval layer

LLM visibility

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Relevant PLC Services

AI SEO Answer Engine Optimization Entity SEO Citation-Ready Content