# Generative Engine Optimization (GEO): How to Get Your Site Cited by ChatGPT, Perplexity and Google AI Overviews

> Generative engine optimization (GEO) is the work of getting your site cited by AI search tools such as Google AI Overviews, ChatGPT search, Perplexity and Gemini. Google states there are no special requirements: AI answers are built on regular search. So the foundation of GEO is solid SEO plus open access for AI crawlers, pages with direct answers, verifiable facts and brand mentions on other sites.

Source: https://labrica.pro/en/articles/generative-engine-optimization
Published: 2026-10-24, Updated: 2026-10-24
Author: LABRICA (https://labrica.pro/en/)
Section: Strategy

The acronym GEO appeared once a share of searches started ending with a ready-made AI answer instead of a list of links. The user gets the answer right away, and your site either gets a source link under that answer or nothing. Generative engine optimization is about making sure your site ends up among the sources.

There are plenty of promises of "secret tricks" around GEO. This guide sticks to what search engines and AI assistant developers confirm themselves, plus practical steps that help either way.

## GEO vs. SEO: what's the difference

| | Traditional SEO | GEO |
|---|---|---|
| Goal | A high position in the results list | Being among the sources of an AI answer, or in the answer itself |
| Unit of work | A page targeting a query | A passage of a page that can be quoted |
| What the user sees | A title and a snippet | A summary and a source link |
| Who reads the site | A search crawler | A search crawler and AI assistant crawlers |
| What matters beyond SEO | Not applicable | Direct answers, verifiable facts, brand mentions off your site |

GEO builds on top of SEO. A page that isn't in the search index has almost no chance of becoming a source for an AI answer.

## What the search engines and AI companies say

**Google.** The Search Central documentation on AI features says that to appear in AI Overviews and AI Mode, a page must be indexed and eligible to be shown with a snippet. There are no additional technical requirements and no special optimization; you don't need separate "AI files" or special Schema.org markup. The usual advice applies: helpful content written for people, crawler access, internal links, important information in text form, and structured data that matches the visible content.

**OpenAI.** ChatGPT search relies on a crawler called OAI-SearchBot. OpenAI recommends allowing it in robots.txt if you want to appear in ChatGPT search answers. GPTBot is a separate crawler that collects data for model training, and blocking it doesn't affect your visibility in ChatGPT search. The two settings are independent.

**Other AI search tools.** Perplexity, Claude and others run their own crawlers, listed in the table below. In practice, the same rule holds for all of them: they can only cite pages they can reach and understand.

## Step 1. Open your site to AI crawlers

Check robots.txt to make sure you're not blocking the crawlers that bring visibility.

| Crawler | Owner | Purpose |
|---|---|---|
| Googlebot | Google | Search, AI Overviews and AI Mode |
| Bingbot | Microsoft | Bing search and Copilot answers |
| OAI-SearchBot | OpenAI | ChatGPT search |
| ChatGPT-User | OpenAI | Fetching a page at a user's request |
| PerplexityBot | Perplexity | Perplexity search |
| Claude-SearchBot, Claude-User | Anthropic | Search and page fetching for Claude |

Training crawlers such as GPTBot, ClaudeBot and Google-Extended are a separate decision. Blocking them doesn't remove your site from search, and allowing them helps models know about your brand. For most businesses, allowing them makes sense.

Also check what robots.txt doesn't show: bot protection at the hosting or CDN level sometimes blocks AI crawlers without you knowing.

## Step 2. Make your pages easy to cite

1. **A separate page for each important customer question.**
2. **A direct answer at the top of the page**: 2 to 3 sentences that make sense without the rest of the text.
3. **Question-style headings** and short paragraphs.
4. **Tables and lists** for comparisons, steps and specifications.
5. **Facts with a date and a source**: prices, timelines, requirements.
6. **An FAQ block** with short answers.

## Step 3. Show who you are

AI search tools, like regular search engines, are careful with anonymous sources, especially in health, legal and finance topics.

- An About page with your legal company details, contacts and history.
- Named authors: name, role, experience.
- Schema.org markup: Organization, Article, FAQPage, BreadcrumbList, Product or SoftwareApplication, matching the visible text.
- One consistent brand name everywhere: on your site, on social media, in directories.

## Step 4. Get updates indexed faster

AI answers rely on what search knows about a page. The sooner search learns about changes, the fresher the information in answers.

- A sitemap with an accurate last-modified date for each page.
- A Last-Modified header and a 304 response for unchanged pages, so crawlers spend their budget on what's new.
- IndexNow, a protocol your site uses to notify Bing and other participating search engines about changed URLs.

## Step 5. llms.txt and Markdown versions are optional

llms.txt is a proposed file format with a short description of a site and links to its main pages, written for language models. Google states plainly that such files aren't needed for AI Overviews, and there is no confirmation that major search engines rely on them. The file is cheap to maintain and may help AI agents that read a site at a user's request, so it's fine to add one. Treat it as an extra on top of the steps above.

## Step 6. Earn mentions beyond your site

AI tools build answers from many sources. If your brand is mentioned in reviews, directories, industry media and on social media, a model has more reason to name it in an answer.

- A Google Business Profile and industry directory listings with identical details.
- Expert quotes and columns in trade publications.
- Regular social media content that people share and quote.
- Fair comparisons and reviews where you describe strengths and weaknesses honestly, yours and your competitors'.

## How to measure GEO results

1. **Manual checks against a list of questions** once a month: which answers include you, which include competitors.
2. **Referrals from AI tools in Google Analytics 4.** Some AI search tools pass the referral source, so check your traffic acquisition reports.
3. **Branded searches.** If AI answers mention you more often, more people search for you by name.
4. **Server logs.** They show how often OAI-SearchBot, PerplexityBot and other crawlers visit and whether they hit errors.

## GEO checklist

| Check | Done |
|---|---|
| AI search crawlers aren't blocked in robots.txt or at the hosting level | |
| Important questions have their own pages | |
| A direct answer in the first sentences of each page | |
| Facts carry a review date and sources | |
| Author and company are named; About page with company details | |
| Schema.org markup matches the text | |
| Sitemap with dates, Last-Modified, IndexNow | |
| Brand is mentioned on external sites | |
| Monthly check of AI answers against a question list | |

## Where social media and LABRICA fit in

GEO is mostly work on your website. Social media helps with two items: brand mentions and traffic to expert pages. LABRICA helps you publish useful content regularly in your brand voice, based on the company's confirmed facts, and shows through short links with [UTM parameters](https://labrica.pro/en/articles/utm-parameters-for-social-media) which posts bring people to your site. The LABRICA site itself is open to AI crawlers and serves Markdown versions of its pages and an llms.txt file, so these practices are tested on the product's own site. See the [LABRICA home page](https://labrica.pro/en/) for how content and analytics work together.

## Sources

Checked on October 15, 2026: [Google Search Central: AI features and your website](https://developers.google.com/search/docs/appearance/ai-features), [OpenAI: Overview of OpenAI crawlers](https://developers.openai.com/api/docs/bots).

## Frequently asked questions

### What is generative engine optimization in simple terms?

It is the work of getting AI search tools like Google AI Overviews, ChatGPT, Perplexity and Gemini to use your site as a source for their answers. The foundation is regular SEO plus pages with direct answers and open access for AI crawlers.

### Do I need special markup to appear in AI answers?

Google states that no special markup or special files are needed for AI Overviews. Standard Schema.org markup is useful as long as it matches the visible text on the page.

### If I block GPTBot, will my site disappear from ChatGPT?

No. According to OpenAI's documentation, OAI-SearchBot handles ChatGPT search and GPTBot collects training data. These settings are independent.

### Does my site need an llms.txt file?

It isn't required, and there's no confirmation that search engines rely on it. The file is easy to maintain, so you can add it as an extra, but it doesn't replace work on content and indexing.

### How can I tell if AI tools are citing my site?

Once a month, ask AI search tools your customers' typical questions and record the sources in the answers. Also check referrals from AI services in Google Analytics 4 and crawler visits in your server logs.

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LABRICA, the AI studio for social media: https://labrica.pro/en/