What Is GEO in Marketing? Optimizing for AI Search

The way people look for information is changing. Instead of typing into Google and choosing among ten links, a growing share of people ask ChatGPT, Perplexity or Gemini directly and get a ready-made answer. In this new landscape, a discipline with its own name has emerged: GEO, generative engine optimization. For anyone who depends on being found online, understanding GEO has gone from curiosity to necessity.

This guide explains what GEO means in marketing, how it differs from traditional SEO, what academic research has already proven works and how your company can start getting cited by AI. A note up front: GEO here has nothing to do with geography or geolocation, the acronym’s other meanings. We’re talking about optimization for AI-generated search.

Quick answer: GEO stands for Generative Engine Optimization. It’s the practice of structuring and backing up content so AI systems like ChatGPT, Perplexity and Google’s AI answers cite your company inside the answers they generate. Unlike SEO, which aims to rank a link in the results list, GEO aims to get your content chosen as a source and repeated inside an AI-synthesized answer. The term was born in a 2023 Princeton academic paper.

What Does GEO Mean?

GEO stands for Generative Engine Optimization, also described as optimization for generative search engines.

A generative engine is a search system that, instead of returning a list of links, synthesizes a written answer from several sources. ChatGPT, Perplexity, Gemini and the AI answers Google shows at the top of results are examples. They gather information from different pages and produce a single text as the answer, often citing the sources they used.

GEO is the work of making your content one of those cited sources. When someone asks AI about a topic related to your business, GEO’s goal is for your company to appear in the answer, not buried in a list nobody opens anymore. The discipline is built on the language models that power AI, LLMs, and depends on understanding how they choose what to cite.

Where the Term GEO Comes From

Unlike much marketing jargon invented by agencies wanting to sell a new service, GEO was born in academia, which gives the concept weight.

According to the paper that coined the term, published by researchers from Princeton and other institutions and presented at the ACM SIGKDD 2024 conference, GEO was defined as the first paradigm designed to help content creators improve the visibility of their material inside generative engine answers. The study, led by Pranjal Aggarwal and colleagues, built a benchmark of around 10,000 queries to test what actually works.

The main finding is what makes GEO actionable: according to the Princeton study, applying the right techniques can increase content visibility in AI-generated answers by up to 40%. More revealing still, the tactics that worked best were adding statistics, including source citations and using expert quotes. The old practice of repeating keywords, so associated with old-school SEO, had no meaningful effect on generative engines.

GEO and SEO: What Changes and What Stays

The natural question for anyone already investing in SEO is whether they need to throw it all out and start over. The answer is no. GEO is an extension of SEO, not a replacement.

The foundation stays. Quality, well-structured content published on a technically healthy site is still the bedrock. A generative engine won’t cite a page it can’t crawl or understand, so all the technical SEO work that was already important still is. Domain authority built over time also counts.

What changes is the end goal and some tactics. In traditional SEO, the target is the top positions in Google’s list of links. In GEO, the target is being the source the AI picks to build its answer. That requires adjustments: content that answers questions directly, concrete and verifiable data, citations of trustworthy sources and a structure machines can easily extract. The detailed difference between the two approaches deserves its own piece, covered in our SEO vs GEO comparison.

It’s worth noting that E-E-A-T, which Google already uses to assess experience, authority and trust, speaks directly to GEO. Content that shows real authority is more likely to be cited both in traditional search and by AI.

What Works in GEO, According to Research

Because GEO has an academic foundation, you can talk about what works with more confidence than in many areas of digital marketing. The Princeton research tested nine different strategies, and three stood out.

The first is evidence density. Content with specific numbers attributed to a named source performs better than generic claims, because the generative engine is effectively fact-checking as it writes. Concrete data works as an anchor of credibility.

The second is citing sources. Content that cites trustworthy references signals to AI that the information is well grounded, increasing the chance of being chosen as a source.

The third is using direct quotes from experts. Bringing in the voice of an authority on the subject reinforces the material’s reliability in the model’s eyes.

What all three share is demonstrable reliability. Generative engines tend to pick as sources the content that seems most grounded and verifiable, exactly the kind of material a serious SEO agency already produces when it works with method.

Why Your Company Should Care About GEO

The business case is direct: your customers’ search behavior is changing, and your company’s visibility depends on keeping up.

When a potential customer asks AI for the best solution to a problem your company solves, one of two things happens. Either your company is mentioned in the answer and you gain qualified visibility at the exact moment of decision, or a competitor is mentioned instead. There’s no third option, because a generated answer has no second page for those left out.

That doesn’t mean abandoning Google, which remains the biggest traffic source for most businesses. It means expanding the strategy to cover both fronts. Companies with a solid online presence start ahead, because the base of authority and quality content serves both. Starting early, while most competitors still ignore GEO, is the first-mover advantage.

How to Get Started With GEO

The first step is getting your house in order on traditional SEO, because there’s no GEO on a broken foundation. A site AI can’t crawl and understand won’t be cited, however good the content. That’s why everything starts with a technical and content diagnosis, which is what an SEO audit delivers.

From there, the work adapts content to what generative engines value: direct answers to your audience’s questions, concrete data, cited sources and clear structure. It’s ongoing work, because technology and search behavior keep evolving fast.

Frequently Asked Questions About GEO

Are GEO and SEO the same thing?

No, but they’re closely linked. SEO aims to rank your site in Google’s list of results. GEO aims to get your content cited inside AI-generated answers, like ChatGPT and Perplexity. GEO is an extension of SEO, resting on the same base of quality content and authority, with tactics adapted for generative search.

Does GEO have to do with geolocation?

No, and that’s a common confusion because of the acronym. In digital marketing, GEO means Generative Engine Optimization, optimization for AI generative engines. It has no relation to geography, geolocation or location-based marketing, which are sometimes also abbreviated as geo.

Does GEO really work or is it a fad?

Unlike many marketing concepts, GEO has an academic foundation. The Princeton study that coined the term showed, in controlled tests, that specific techniques increase visibility in AI answers by up to 40%. That gives GEO a grounding few new marketing disciplines have.

Do I need to stop doing SEO to do GEO?

Not at all. Traditional Google still drives most traffic for most businesses, and SEO’s technical and content foundation is exactly what supports GEO. The path is to expand the strategy to cover both fronts, not swap one for the other.

How long does it take to see GEO results?

Since GEO depends on the same authority and content foundation as SEO, it follows a similar medium-term logic. Sites with a solid online presence tend to see results faster, because AI already finds reliable material to cite. It’s ongoing work, not an instant result.

How do I know if AI already cites my company?

The most direct way is to test: ask ChatGPT, Perplexity and Gemini questions about your industry and see which companies appear in the answers. There are also monitoring tools that track your brand’s mentions in these systems. That diagnosis is part of SEO consulting that already includes GEO.

Get Found by AI Too

Search is changing, and your company’s visibility depends on keeping up. While most competitors still look only at traditional Google, there’s a window to get ahead in AI search.

Malamute Digital combines solid SEO fundamentals with generative engine optimization. To find out where your company stands today and build a strategy covering both Google and AI answers, start with an SEO audit with our team.

References

• Aggarwal, P. et al. GEO: Generative Engine Optimization. Princeton University, ACM SIGKDD 2024. Available at: arxiv.org/abs/2311.09735