GEO: How to optimize your website for AI search

In short: GEO aims to make your content discoverable as a useful source for AI answers. Google says established SEO best practices apply to AI Overviews and AI Mode; no additional AI files or special schema are needed. OpenAI documents its own crawler settings for ChatGPT search. Clear answers, verifiable information and technically accessible pages form the foundation.

What GEO is – and what it is not

GEO stands for Generative Engine Optimization: optimizing a website for AI-generated answers. The goal is to show up as a source in an AI answer and be linked from it – whether and how often that happens is decided by the system, and nobody can promise it. The distinction matters because the two terms are constantly mixed up:

Local SEO targets local search results and Google Maps – business profile, location, reviews, service area and your website's local organic results. We cover that separately in our practical guide to local SEO for businesses.
GEO targets AI answer surfaces: AI Overviews, AI Mode in Google Search, and the search functions of ChatGPT, Gemini and Perplexity.

Google's statements in this article apply exclusively to Google's AI features. There is no official Google rule for ChatGPT, Gemini or Perplexity – there, what counts is what each platform documents itself.

What Google officially says about AI features

Google's Search developer documentation is unambiguous (Google Search Central, "AI features and your website", retrieved 2026-10-22):

The best practices for SEO remain relevant for AI features in Google Search (such as AI Overviews and AI Mode). There are no additional requirements to appear in AI Overviews or AI Mode, nor other special optimizations necessary.

What that means:

Technical baseline: A page must be indexed and eligible to appear with a snippet in Google Search. There are no extra technical requirements for AI features – indexing and serving remain Google's decision.
No extra files: No new machine-readable files, no AI text files, no additional markup. There is no schema.org markup that exists purely for AI answers.
Structured data must match visible content: Whatever you mark up must also be readable on the page – otherwise the markup is misleading.
The basics still matter: Allow crawling in robots.txt and through your CDN and hosting, make content findable via internal links, provide important content as text, and keep your business profile and merchant data current.

That passage is about Google's AI features. It is not a recommendation for other AI tools, and it is not a promise that your content will be cited in an AI answer.

Checklist: five steps worth the effort for small and mid-sized companies

Write answer-ready text. A short, direct paragraph that answers a customer's question is worth more than ten advertising sentences. There is no fixed word count – what counts is that the answer sits in the text without detours.
Audit the technical setup instead of worrying. Server status, robots.txt, sitemap, indexable URLs, load time. If Google cannot reliably fetch a page, no writing format helps.
Build internal links. Connect service pages, location pages and FAQ pages to each other.
Maintain structured data. LocalBusiness or Organization matching the visible content, validated with the Rich Results Test (source: Google Search Central, "Local business (LocalBusiness) structured data", retrieved 2026-10-22).
Build a section for local questions. Address, directions, service area, typical costs and process – these are the questions that surface in AI answers to "provider near me". The fundamentals are in our local SEO guide.

ChatGPT: OAI-SearchBot and GPTBot are two different crawlers

For ChatGPT search, OpenAI recommends allowing the OAI-SearchBot user agent in your robots.txt – it surfaces websites in the search results of ChatGPT's search features. Separate from that is GPTBot, which crawls content that may be used to train OpenAI's foundation models. Both settings are independent: you can allow search and opt out of training. OpenAI notes it can take roughly 24 hours from a robots.txt change for search results to adjust (OpenAI, "Overview of OpenAI Crawlers", retrieved 2026-10-22).

For Google, robots.txt controls whether content may be crawled for Search and its AI features; limiting AI training in other Google systems is governed by the documentation on Google-Extended. An llms.txt is a young, non-standardized proposal – it replaces neither a solid page foundation nor markup for visible content.

How do you measure progress?

In Search Console, traffic from AI features is included in the Performance report under the "Web" (text-based) search type. There is no separate, sharply distinct AI metric: you see whether overall visibility grows or shrinks, not how many AI answers quote your text word for word. For AI Overviews, one position is occupied and all links within it share that position. Conversions belong in analytics.

Complement this by watching your real customer questions in ChatGPT, Gemini and Perplexity and noting whether your site is mentioned. That is a qualitative observation, not a metric – and no guarantee of a citation.

Planning example: an electrical contractor with an emergency service page

The following example is a fictional planning example, not a customer case. An electrical contractor so far has only a homepage with a service list and a contact page. The question that comes up in practice again and again is: "What does an emergency call-out cost at night?" – a website like that does not answer it. Five changes address that:

A service page "Emergency call-out and power outage" with a short passage on costs, response time and service area.
Name, address, phone number and opening hours identical to the website and the business profile.
LocalBusiness markup with exactly those details, visible on the page.
Links to the service page from the homepage, the location page and the contact page.
Measurement via Search Console (Performance, Web search type) and analytics for enquiries.

Whether that leads to more visibility is what the measurement shows. The steps themselves are the documented part.

Three myths that only waste time

"AI text beats classic text." Google asks for helpful, reliable, people-first content – and nothing more for AI answers.
"Without llms.txt and AI files I am out." Explicitly unnecessary for Google, and not documented by OpenAI.
"GEO guarantees position one." It does not. There is no citation or ranking guarantee; source selection belongs to the search system.

Frequently asked questions

What is GEO and how does it differ from classic SEO?

GEO stands for Generative Engine Optimization – optimizing a website for AI-generated answers. Classic SEO optimizes placement in traditional search results; GEO the chance of appearing as a source inside AI answers. For Google's AI features, Google requires no additional optimizations: existing SEO best practices remain the benchmark (source: Google Search Central, retrieved 2026-10-22).

Do I need an llms.txt file for ChatGPT search?

No. For ChatGPT search, OpenAI recommends allowing OAI-SearchBot in your robots.txt; llms.txt is not named as a prerequisite in the official crawler documentation. Google states explicitly that no additional machine-readable files, AI text files or markup are required (sources: OpenAI and Google Search Central, retrieved 2026-10-22).

How do I measure whether my website shows up in AI answers?

In Search Console, traffic from AI features such as AI Overviews and AI Mode is reported in the Performance report under the Web search type; there is no separate, sharply distinct AI metric there. You can additionally watch your real customer questions in ChatGPT, Gemini and Perplexity, and use analytics for clicks and enquiries (source: Search Console Help, retrieved 2026-10-22).

Verdict

GEO is not a special project – it is good SEO executed consistently: indexable, fast, understandable, with visible text and matching structured data. What of that becomes visible in an AI answer is decided by the search system, and nobody can promise visibility. Not sure how your site is built? We review that in a first conversation: get in touch.

Related reading: WordPress drawbacks for business websites, what a business website costs and the website redesign SEO checklist. If you want GEO implemented rather than just explained, Contentoren's GEO service is the logical next step.

Sources

Google Search Central: "AI features and your website", retrieved 2026-10-22
Google Search Central: "Local business (LocalBusiness) structured data", retrieved 2026-10-22
Search Console Help: "Performance report (Search results): Overview and basic setup", retrieved 2026-10-22
Search Console Help: "What are impressions, position, and clicks?", retrieved 2026-10-22
OpenAI: "Overview of OpenAI Crawlers", retrieved 2026-10-22