Definition
Generative engine optimization (GEO) is the practice of making your business easy for AI tools, such as ChatGPT, Perplexity, Gemini and Google's AI Overviews and AI Mode, to find, understand, trust and cite when they answer questions. It builds on SEO rather than replacing it.
Ask ChatGPT for "the best accountant for freelancers in Austin" and you'll get a short list of names, a few reasons for each and some links. The businesses on that list didn't buy their spot. The AI picked them because their information was easy to find, easy to understand and backed up by other sites.
GEO is the work of becoming one of those names. The term comes from a 2023 research paper, and it has since turned into a buzzword with plenty of myths attached. This guide sticks to what the AI companies and Google say themselves, and what the original research found. If you'd rather have experts handle it, our GEO services cover every step below.
GEO in plain English: a simple example
GEO means making sure AI tools have accurate, trustworthy information about your business to work with when someone asks a question you can answer. The easiest way to see it is through a single search.
An illustration: a homeowner in Phoenix asks an AI assistant for an "emergency plumber in Phoenix open on weekends." The AI doesn't know any plumbers personally. It searches the web, reads what it finds and writes a short answer. To decide which plumbers to name, it draws on:
- The Google Business Profile: hours that show Saturday and Sunday, a "24-hour emergency service" listing and a Phoenix address or service area.
- Reviews: recent reviews on Google, Yelp and other sites that mention weekend call-outs and fast arrival times.
- The plumber's own website: an FAQ that says, in plain words, "Yes, we answer emergency calls on weekends across Phoenix, Mesa and Tempe."
- Mentions on other sites: a local news story, a listing on an Arizona trade association site, or a recommendation thread on Reddit.
A plumber with all four in place is easy for the AI to name with confidence. A plumber whose hours say "closed Sunday" on one site and "open 24/7" on another is harder to trust, so the AI is more likely to skip it. GEO is the work of fixing those mismatches.
How do AI search engines decide what to cite?
AI search engines run a web search, pick a handful of sources that answer the question well, then write a summary that cites some of them. Pages get chosen when they can be crawled, answer clearly, back up their claims and stay current.
- 1SearchThe AI runs a web search for the question.
- 2Pick sourcesIt chooses a handful of pages that answer well.
- 3SummarizeIt writes a short answer from those pages.
- 4CiteIt links some of the sources it used.
Each tool uses its own crawler, which is the program that visits and reads web pages:
- OpenAI: ChatGPT search uses OAI-SearchBot. OpenAI's crawler docs say it "is used to surface websites in search results in ChatGPT's search features."
- Perplexity: uses PerplexityBot. Perplexity's docs say it "is designed to surface and link websites in search results on Perplexity."
- Google: AI Overviews and AI Mode draw on Google's normal search index, so pages need to be indexed and eligible for a snippet in regular Google Search.
OpenAI also runs a third agent, ChatGPT-User, which visits a page when a person asks ChatGPT to look at it. OpenAI says "ChatGPT-User is not used for crawling the web in an automatic fashion," and because a person starts each visit, "robots.txt rules may not apply." Perplexity runs a similar fetcher called Perplexity-User.
Once the AI has candidate pages, it tends to favor certain qualities:
- Crawlable pages: content the bot can reach and read as plain text.
- Clear answers: a direct response near the top of the page or section.
- Backed-up claims: figures, quotes and sources that other sites confirm.
- Fresh content: recent dates and up-to-date facts, especially for fast-moving topics.
Studies that count which sites get cited most often disagree from tool to tool, and many come from vendors selling tracking software. Treat any single ranking of "most-cited sources" as indicative only, since results vary by tool, topic and month.
GEO vs SEO vs AEO: what's the difference?
SEO aims to rank your pages in search results, AEO aims to make your content the direct answer to a question, and GEO aims to get your business named and cited in AI-written answers. The three overlap heavily, and many people use the terms interchangeably.
| Term | Goal | Where you show up | How you measure success | Main work |
|---|---|---|---|---|
| SEO (search engine optimization) | Rank pages in search results | Google and Bing results pages | Rankings, clicks, leads | Technical fixes, content, links |
| AEO (answer engine optimization) | Become the direct answer to a question | Featured snippets, People Also Ask, voice assistants | Snippets won, answer visibility | Question-led headings, short direct answers |
| GEO (generative engine optimization) | Be named and cited in AI answers | ChatGPT, Perplexity, Gemini, AI Overviews, AI Mode | Mentions, citations, AI referral traffic | Entity consistency, answer-first content, third-party mentions |
In practice, the same page often does all three jobs. A service page with a clear answer at the top, solid technical health and strong reviews behind it can rank in Google, win a snippet and get quoted by ChatGPT. The labels describe where you're measured more than different kinds of work.
Is GEO replacing SEO? What Google says
No, GEO isn't replacing SEO. Google's own guide says optimizing for AI search "is still SEO," and AI tools rely on the same crawlable, trusted pages that rank well today. What has changed is that a top ranking no longer guarantees the click.
Google's guide to AI features, updated July 10, 2026, puts it directly: "optimizing for generative AI search is optimizing for the search experience, and thus still SEO." To appear in AI Overviews or AI Mode, Google says "a page must be indexed and eligible to be shown in Google Search with a snippet."
Clicks tell the other half of the story. A Pew Research Center study tracked the browsing of 900 US adults in March 2025. When Google showed an AI summary, people clicked a regular result on 8% of visits, compared with 15% without one. They clicked a link inside the summary on just 1% of visits, and 18% of searches in the study showed a summary.
Google reports a brighter picture. In Alphabet's Q2 2026 earnings remarks, CEO Sundar Pichai said AI features in Search now send "billions of clicks" to websites every week. Both can be true at once: traffic still flows, but each search sends fewer clicks to the blue links, so being named in the answer counts for more.
Why GEO is important for businesses in 2026
GEO is important because a large share of buyers now start research inside AI tools, and those tools only name a few businesses per answer. If your business isn't one of them, you can miss the customer before they ever see a search results page.
The scale is hard to ignore. OpenAI said in its "Scaling AI for everyone" announcement that ChatGPT had reached about 900 million weekly users as of February 2026. Google said in July 2026 that AI Mode had passed 1 billion monthly users, according to the same Alphabet Q2 2026 remarks. Both figures are as of those dates and are likely higher now.
Local businesses feel it too. BrightLocal's 2026 survey found 45% of consumers have used AI tools to get local business recommendations, up from 6% the year before. Our guide to local SEO for small businesses covers the local side in detail.
We see the payoff in client dashboards. One UppearNow client now appears inside Google's AI Overview for a query searched 4,500 times a month, a spot that puts the brand in front of buyers before they scroll.
What the original GEO research found
The term GEO comes from a research paper by Pranjal Aggarwal and five co-authors, accepted to the KDD 2024 conference. It found that GEO methods "can boost visibility by up to 40% in generative engine responses."
The paper (arXiv 2311.09735) tested nine ways of rewriting content on a benchmark of queries called GEO-bench. The three that worked best were adding citations to sources, adding quotations and adding statistics. Keyword stuffing, the old SEO trick of repeating a phrase, offered "little to no improvement."
One finding stands out for smaller businesses. The authors found that "lower-ranked websites, which typically struggle for visibility, benefit significantly more from GEO." In their tests, citing sources lifted visibility for the site ranked fifth in search results by 115%.
Keep the caveat in mind: this was a lab benchmark built on a test AI engine, and the authors note that results vary by topic. It shows which kinds of changes help, and it doesn't promise any specific gain for your site.
How to do GEO: 8 practical steps
GEO comes down to eight steps: let AI crawlers in, answer first, back up your claims, make your brand easy to recognize, earn real mentions, keep pages fresh, cover follow-up questions and keep answers visible. Each step builds on work your SEO likely already does.
1. Let AI search crawlers reach your site
Check your robots.txt file and make sure the search crawlers for AI tools aren't blocked. OpenAI runs two separate bots: OAI-SearchBot finds pages for ChatGPT search, while GPTBot collects content for training AI models. OpenAI says "Sites that are opted out of OAI-SearchBot will not be shown in ChatGPT search answers."
That means you can opt out of training without disappearing from ChatGPT search. A robots.txt that does exactly that looks like this:
User-agent: OAI-SearchBot
Allow: /
User-agent: GPTBot
Disallow: /
User-agent: PerplexityBot
Allow: /Perplexity's docs say PerplexityBot "is not used to crawl content for AI foundation models," so allowing it only affects search visibility. Our ChatGPT optimization service checks crawler access as a first step.
2. Put the answer first
Write a one- or two-sentence answer directly under every heading, then add the detail. AI tools pull short, self-contained passages, so the clearest answer near the top of a section is the one most likely to be quoted. Phrase headings as the questions customers actually ask.
3. Back your claims with sources, figures and quotes
Support your key points with named sources, specific numbers and quotes from real experts. The GEO paper found citing sources, adding quotations and adding statistics were the three strongest methods it tested. A line like "Our team has fitted 1,200 water heaters since 2019" gives an AI something concrete to repeat.
4. Make your brand easy to recognize
Use the same business name, description, address and contact details everywhere you appear online. Build a solid About page that explains who you are, what you do and where. Add Organization schema to your site, and keep your social and directory profiles consistent. Entity SEO is the formal name for this work, and it helps AI tools treat your business as one clear, trustworthy entity.
5. Earn real mentions on sites AI trusts
Get your business mentioned on sites the AI already reads: review platforms, industry "best of" lists, local press and helpful answers in Reddit communities where you genuinely take part. Never buy fake mentions or reviews. The FTC's 2024 rule bans fake reviews, including AI-generated ones, and Google removes paid reviews.
6. Keep key pages fresh and dated
Review your most important pages every few months, update facts and prices, and show a visible "last updated" date. Fresh, dated content is easier for AI tools to trust on topics where details change, such as pricing, regulations or opening hours.
Start with the pages that bring in leads: your main service pages, pricing page and About page. A quick quarterly pass that checks every figure, date and contact detail on those pages is usually enough to keep them current.
7. Cover the follow-up questions
Add a short FAQ to each service page that answers the next questions a buyer would ask. AI answers often include follow-ups, such as cost, timing and service area, and a page that covers them is more useful to cite. Our Google AI Overviews optimization work maps these questions for each page.
8. Don't hide answers in tabs, accordions or images
Keep your key answers in plain text that's visible when the page loads. In its October 2025 guidance, Microsoft's Bing team advised: "Don't hide important answers in tabs or expandable menus," noting that "AI systems may not render hidden content." The same post says to avoid putting key information only in images.
GEO myths: what you don't need to do
Several popular GEO tactics aren't needed, according to Google itself. You don't need special AI files, special schema or chopped-up content, and GEO doesn't replace SEO.
- llms.txt files: Google's AI guide says "You don't need to create new machine readable files, AI text files, markup, or Markdown to appear in Google Search."
- Special schema: Google says "there's no special schema.org markup you need to add" for generative AI search. Normal structured data still helps describe your business.
- Splitting content into chunks: Google says "There's no requirement to break your content into tiny pieces for AI to better understand it." Clear headings and answer-first sections do the job.
- "GEO replaces SEO": Google calls AI search optimization "still SEO," as covered above.
- Buying mentions or reviews: this breaks the FTC's fake-review rule and Google's review policies, and it can get reviews removed or profiles suspended.
How to measure your AI visibility
Measure AI visibility with three things: Google Search Console's generative AI reports, AI referral traffic in Google Analytics 4, and a monthly check of the prompts your customers ask. Together they show whether AI tools see you, send you visitors and name you.
Search Console's Search Generative AI performance reports. Google introduced these reports in June 2026. They show your impressions in AI Overviews and AI Mode, and which pages earned them. Google rolled them out to a subset of sites first, so check whether your property has them yet.
AI referral traffic in GA4. In Google Analytics 4, open the traffic acquisition report and look for sessions from chatgpt.com and perplexity.ai. Track how many visits each sends and whether those visitors turn into leads. For a cleaner view, create a custom channel group in GA4 that bundles AI referrers into one "AI search" channel, so you can compare it with organic search month by month. Expect the numbers to start small; the trend line tells you more than any single month.
A monthly 20-prompt check. List 20 questions your buyers ask, such as "best [service] in [city]" or "[your brand] reviews." Each month, ask them in ChatGPT, Perplexity, Gemini and Google AI Mode. Record if you're named, what's said about you and which sources are cited.
An AI visibility audit gives you a starting baseline, and AI brand monitoring tracks changes month to month.
What GEO tools do you actually need?
Start with free tools: Google Search Console, Google Analytics 4 and manual prompt checks cover the basics for most small and mid-size businesses. Paid tools help once you're tracking many prompts or several brands.
Paid GEO tools generally fall into three types:
- Prompt trackers: run a set list of prompts across AI tools on a schedule and record when your brand appears.
- Citation and share-of-voice trackers: show which sources AI tools cite for your topics and how often you appear against competitors.
- Brand mention monitors: alert you when AI answers describe your business, including errors that need fixing.
Prices and features in this category change quickly, and many tools are less than two years old. Pick a tool based on which AI tools your buyers use and how many prompts you need to track, and test it against your own manual checks before you rely on it.
Can you do GEO yourself, or should you hire help?
Yes, you can handle the GEO basics yourself: check your robots.txt, put answers first, clean up your business details and run a monthly prompt check. Hiring help makes sense when you compete for crowded topics, run several locations or need content and mentions at scale.
A useful test is your monthly prompt check. If you're named in most of your 20 prompts, keep doing what works. If competitors appear and you don't, or AI tools describe your business with wrong details, an outside audit can find the weak spots faster than trial and error.
Our AI search optimization team runs GEO alongside SEO, since the two share most of their groundwork. To see how budgets compare, read how much SEO costs, or book a free growth review to see where AI search skips you today.
GEO FAQs
What is GEO in SEO?
GEO, or generative engine optimization, is the part of SEO focused on getting your business named and cited in AI-written answers from tools like ChatGPT, Perplexity and Google's AI Overviews. Google says optimizing for AI search "is still SEO," so GEO builds on the same foundations of crawlable, useful, trusted pages.
What's the difference between AEO and GEO?
AEO, or answer engine optimization, aims to make your content the direct answer in featured snippets, People Also Ask boxes and voice assistants. GEO aims to get your business named and cited in AI-generated answers. Both rely on clear, answer-first content, and in practice the same work supports both.
Is SEO dead because of AI?
No. Google's AI features guide says optimizing for generative AI search "is still SEO," and AI Overviews and AI Mode draw on Google's normal index. Clicks per search have dropped, since Pew found people click less when an AI summary shows, but ranking well remains the main route into AI answers.
How long does GEO take to work?
Technical fixes, like unblocking AI crawlers, can take effect as soon as the bots revisit your site. Building the reviews, mentions and content that earn regular AI citations usually takes several months. Results vary by tool and topic, so track the same prompts monthly to see the trend.
Do I need an llms.txt file?
No, not for Google. Google's AI features guide says you don't need to create "AI text files" or other special files to appear in Google Search. Focus instead on crawlable, answer-first pages with consistent business details, which help across every AI tool.
Can a small business do GEO without an agency?
Yes. A small business can handle the GEO basics in a few hours a month: allow AI search crawlers, write clear answers under each heading, keep business details consistent, collect genuine reviews and check 20 buyer prompts monthly. An agency helps most in competitive markets or when you need content and mentions at scale.
Sources
- Aggarwal et al., "GEO: Generative Engine Optimization," arXiv 2311.09735, accepted to KDD 2024: https://arxiv.org/abs/2311.09735
- Google Search Central, guide to AI features and your website, updated July 10, 2026: https://developers.google.com/search/docs/fundamentals/ai-optimization-guide
- Pew Research Center, "Google users are less likely to click on links when an AI summary appears in the results," July 22, 2025: https://www.pewresearch.org/short-reads/2025/07/22/google-users-are-less-likely-to-click-on-links-when-an-ai-summary-appears-in-the-results/
- OpenAI, "Overview of OpenAI crawlers": https://developers.openai.com/api/docs/bots
- Perplexity, "Perplexity Crawlers": https://docs.perplexity.ai/guides/bots
- Google, "Q2 2026 earnings call: Remarks from our CEO," July 2026: https://blog.google/company-news/inside-google/message-ceo/alphabet-earnings-q2-2026/
- OpenAI, "Scaling AI for everyone," February 27, 2026: https://openai.com/index/scaling-ai-for-everyone/
- Microsoft Advertising, "Optimizing Your Content for Inclusion in AI Search Answers," October 8, 2025: https://about.ads.microsoft.com/en/blog/post/october-2025/optimizing-your-content-for-inclusion-in-ai-search-answers
- Google Search Central Blog, "Introducing Search Generative AI performance reports in Search Console," June 2026: https://developers.google.com/search/blog/2026/06/gen-ai-performance-reports
- BrightLocal, "Local Consumer Review Survey 2026": https://www.brightlocal.com/research/local-consumer-review-survey/