Reference articles on history, science, culture and more
Encyclopedia

Generative engine optimization

Digital marketing technique

Generative engine optimization (GEO) is the practice of structuring digital content and managing online presence to improve visibility in responses generated by generative artificial intelligence (AI) systems. The practice influences the way large language models (LLMs) retrieve, summarize, and present information in response to user queries. Related terms include answer engine optimization (AEO) and artificial intelligence optimization (AIO).

The concept of GEO first appeared in response to generative AI technologies being integrated into mainstream search and information retrieval systems.

01Terminology

Several overlapping terms describe related practices, and usage varies across practitioners, vendors, and publications. No consensus definition distinguishing these terms had been established in the academic literature as of early 2026, and the terms are frequently used interchangeably in trade and practitioner contexts. Other terms for the same concept include answer engine optimization (AEO), large language model optimization (LLMO), artificial intelligence optimization (AIO), and AI SEO.

In 2026, Google released documentation titled "Optimizing your website for generative AI features on Google Search." According to this documentation, "optimizing for generative AI search is optimizing for the search experience, and thus still SEO." This position had previously been shared at conferences, with 2026 being the first time Google released official documentation stating it.

Meanwhile, Bing refers to the practice as "generative engine optimization" in its documentation, but does clarify that SEO fundamentals "support eligibility for AI-generated experiences."

Writing for Forrester Research, Nikhil Lai argued in 2025 that answer engine optimization (and related terms) are "significantly, but not fundamentally, different from SEO" and that advocates of terms like AEO, GEO, AIO, and LLMO "tend to exaggerate SEO and AEO's differences to carve a startup-sized hole in marketers' tech stacks."

02Factors influencing generative engine optimization

By early 2026, the focus of GEO practitioners shifted from simple keyword placement to "semantic relevance", a metric driven by the integration of advertising into conversational AI. OpenAI and Google began monetizing AI search results, which is not currently considered an aspect of generative engine optimization but is adjacent.

03Tools

Various tools are used to monitor how websites and brands are cited, referenced, or incorporated into responses produced by large language models. This includes free tools like the AI Performance report in Bing Webmaster Tools and Search Generative AI performance reports in Google Search Console.

Watch videos about Generative engine optimizationExplainers and documentaries on YouTube (opens in a new tab)

Sources and credits

This article is adapted from the Wikipedia article Generative engine optimization, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.

Fathomly is not affiliated with or endorsed by the Wikimedia Foundation. Spotted a problem? Tell us.