GEO vs SEO: why GEO is an extension of SEO

GEO, generative engine optimisation, is the part of SEO that aims at AI answers: Google's AI Overviews and AI Mode, ChatGPT, Gemini, Perplexity, Copilot and Claude. It is not a second job. Google itself writes that optimising for its AI features "is optimizing for the search experience, and thus still SEO". What GEO adds is a new place to be seen, a few crawlers to let in and a different way to measure.

What GEO means

GEO stands for generative engine optimisation: the work that makes AI answers more likely to use your pages and cite them. You will also read AEO (answer engine optimisation), LLMO or simply AI SEO, and in French référencement IA. Google lists AEO and GEO as "terms you may see used to describe work" on its own guide. They all point at the same thing.

The answers in question come from two kinds of products. Search engines that now write a summary above or instead of the links: Google with AI Overviews and AI Mode, Bing with Copilot. And assistants people open to ask a question: ChatGPT, Gemini, Perplexity, Claude, Grok. Most of them search the web before they answer and show the pages they used.

Why it is one job, not two

Google answers the question directly. Its guide to generative AI features says optimising for them "is optimizing for the search experience, and thus still SEO", and its page on AI features and your website adds: "There are no additional requirements to appear in AI Overviews or AI Mode, nor other special optimizations necessary." A page has to be indexed and eligible for a snippet, the same condition as for a classic result.

Microsoft says the same from the Bing side. Its advice on AI search answers opens its checklist with "Traditional SEO is still essential", naming crawlability, metadata and internal links as "the baseline".

The one survey we found on the question points the same way. In Semrush's 2026 AI Visibility Index, 81% of organisations that run SEO and AI visibility as one workflow reported more traffic or leads from AI platforms, against 36% of those that manage the two separately. It is a vendor's survey of its own market, so take it as a direction rather than a rule.

This is how we work too. GEO is part of our normal SEO work, with no separate budget line: the same pages, checked for one more place where they can appear.

What GEO adds to the SEO you already do

AreaSEO already coversWhat GEO adds
The goalA position in the results and a clickA mention or a citation inside the answer, sometimes without a click
The questionsOne main search for each pageThe related questions the system searches at the same time. Google calls it query fan-out: "a set of concurrent, related queries"
The crawlersGooglebot and Bing's crawlerThe search crawlers of the assistants, such as OAI-SearchBot for ChatGPT, PerplexityBot and Claude-SearchBot
Other sitesLinks pointing to youWhat directories, press and sector sites say about you, linked or not
The pageTitles, headings, speed, structured dataThe answer in the first lines, questions as headings, lists and tables an answer can lift
The measurePositions and clicks in Search ConsoleSearch Console's generative AI report, Bing's AI Performance report, visits from the assistants in Analytics

The assistants, one by one

Each one finds its sources in its own way, and only two of them tell site owners anything. This table gathers what each company documents.

AssistantWhere its sources come fromCrawler to let inWhat the site owner can see
AI Overviews and AI ModeGoogle's index and ranking systemsGooglebotSearch Console's generative AI report: impressions, the two features together
Gemini appGoogle. It shows a Sources button when it used web pagesNot documented separatelyVisits from gemini.google.com in Analytics
ChatGPTOpenAI's own searchOAI-SearchBotNo report. Visits from chatgpt.com in Analytics
CopilotBingBing's crawler, and IndexNow for fresh pagesAI Performance in Bing Webmaster Tools: citations by page and by query
PerplexityIts own indexPerplexityBotNo report. Visits from perplexity.ai in Analytics
ClaudeAnthropic's own searchClaude-SearchBotNo report. Visits from claude.ai in Analytics
GrokxAI documents no crawler for site ownersUnknownVisits from grok.com in Analytics

Which ones matter in Morocco? Statcounter tracks where the visits to the websites it measures come from. For Morocco in October 2026, its figures split the visits sent by AI assistants as follows: ChatGPT 47.7%, Gemini 40.4%, Perplexity 8%, Claude 2.8%, Copilot 1.1%. Seen against everything else, assistants sent 0.13% of the visits that came from search engines, social networks and assistants together, and search engines 84.8%. AI Overviews and AI Mode are not in the assistants' share: they sit inside Google Search, where our study of 70 searches found an AI Overview first on 69.

What stays exactly the same

  • Pages Google can crawl and index. Nothing reaches an AI answer from a page the engine cannot read.
  • Content worth citing. Google's guide asks for "non-commodity" content: first-hand facts, figures and experience a summary cannot find elsewhere.
  • Text, not images. Google asks that important content be "available in textual form", and Microsoft lists key information hidden in images, tabs or PDFs among the mistakes.
  • Your Business Profile and Merchant Center. Google names both as sources to keep up to date.
  • Reputation. Links and mentions from real sites, earned rather than bought.

What you do not need

  • An llms.txt file for Google. Google writes that "Google Search itself doesn't use them" and that adding one "will neither harm nor help". Some audit tools flag a missing one. It costs little to add, but it is not where results come from.
  • Special markup. In Google's words, "there's no special schema.org markup you need to add". Structured data still helps when it matches what the page shows.
  • Pages cut into chunks for machines. Google's mythbusting section lists chunking and AI-specific rewriting among the things you can skip. Write for the reader.
  • Pages written by the hundred with AI. Google's spam policies treat mass-produced pages made to rank as scaled content abuse.
  • A guaranteed place in ChatGPT. Nobody owns the answers, so nobody can sell a place in them.

Where to start

  1. Check the doors. Your robots.txt, your firewall and your host should let in Googlebot, Bing and the search crawlers above. In Search Console, the new Search generative AI control (Settings, then Search generative AI) should stay on include, the default. Excluding a site removes it from AI Overviews and AI Mode.
  2. Put the facts in plain text. Services, cities, hours, delays and what a client receives, with the answer in the first lines of each section.
  3. Keep them the same everywhere. Your site, your Business Profile and your directory profiles should agree on names, addresses and services.
  4. Earn mentions. Directories of your sector, partners, the local press. Assistants weigh what others say about you.
  5. Measure what can be measured. The generative AI report in Search Console, AI Performance in Bing Webmaster Tools, and visits from the assistants in Analytics.

Our free audit includes a first look at this: whether AI crawlers can read your site, and whether AI answers mention your business today.

GEO inside your SEOAI search optimisation: part of our normal SEO work, no separate budget.

Frequently asked questions

Is GEO replacing SEO?

No. Google writes that optimising for its generative AI features is still SEO, and Microsoft calls traditional SEO the baseline for AI answers. GEO adds a place to appear and a way to measure it, on top of the same pages.

Is GEO a separate service?

Some agencies sell it separately. For us it is part of normal SEO work, with no separate budget. If an agency quotes GEO apart, ask what it adds to the SEO it already does on your site.

What is the difference between GEO and AEO?

Very little in practice. AEO, answer engine optimisation, came first and was about answer boxes and voice. GEO, generative engine optimisation, is about AI-written answers. Google uses both as names for the same work.

Do I need an llms.txt file?

Not for Google, which says its Search ignores the file. Some tools flag a missing one and it is quick to add, but no AI answer depends on it the way it depends on your pages being crawlable and useful.

How do I know whether AI answers cite my site?

Google shows impressions from AI Overviews and AI Mode together in Search Console's generative AI report, and Bing shows Copilot citations in its AI Performance report. ChatGPT, Claude and the Gemini app give site owners no report: you see their visits in Analytics, and paid tools estimate citations from sample questions.

Can I keep my content out of AI training and still appear in AI search?

Yes, with most of them. OpenAI separates GPTBot, for training, from OAI-SearchBot, for search. Anthropic does the same with ClaudeBot and Claude-SearchBot. Google-Extended limits training and grounding in Gemini without affecting Google Search.

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