What Is Generative Engine Optimization (GEO)?

What is generative engine optimization?

Generative engine optimization (GEO) is the practice of making content easy for AI assistants such as ChatGPT, Gemini, Claude and Perplexity to find, understand and cite when they write an answer. Where SEO aims for a ranking, GEO aims for a mention or a citation inside the generated answer.

GEO overlaps with answer engine optimization — both reward clear, direct answers — but generative engines blend several sources into one answer, so being easy to quote and easy to attribute matters even more.

Where does the term GEO come from?

The term was popularized by a 2023 research paper, “GEO: Generative Engine Optimization”, by researchers from Princeton University, Georgia Tech, the Allen Institute for AI and IIT Delhi. They found that adding citations, quotations and statistics to content raised its visibility in generative answers by up to 40%.

How do AI assistants choose which sources to cite?

Assistants that browse the web retrieve a handful of pages for a query, then quote the passages that answer it most clearly and credibly. Pages they cannot crawl are never retrieved. Among those retrieved, clear entities, specific facts and well-structured passages are the easiest to quote accurately.

Which AI crawlers should I allow?

SeoGauge checks these 7 user agents in your robots.txt:

What are the most important GEO fixes?

First, let AI crawlers in: check robots.txt for GPTBot, ClaudeBot, PerplexityBot and Google-Extended. Then make your content quotable — say clearly who you are, add specific numbers and dates, server-render your main text, and publish an llms.txt file that summarizes your site.

1. Allow AI crawlers. Remove Disallow: / rules for the agents above unless you have a reason to block them.
2. State your entity clearly. Your name, what you do, who it is for and where, in plain words near the top of the page, and the same way everywhere.
3. Add citable facts. Years in business, counts, prices, measured results — specific, verifiable figures.
4. Server-render content. Many AI crawlers do not run JavaScript; text that only appears after scripts load may be invisible to them.
5. Publish llms.txt. See the llms.txt guide for a template.
6. Add Organization schema with your name, logo, URL and social profiles in sameAs.

How do I measure my GEO?

SeoGauge scores GEO from 0 to 100 using nine checks: AI crawler access, citable facts, quotations, cited sources, an AI review of entity clarity, how much content is in the raw HTML, Organization schema, author and date signals, and llms.txt. Each failed check becomes a fix ranked by points.

See the exact weights in the scoring methodology.