AI search
Google AI Mode Optimization: What Google Documents (2026)
Google AI Mode uses the same Search index and ranking systems as regular results. To appear, a page has to be indexed and snippet-eligible, your site has to be included in Search generative AI features, and the page has to answer the follow-up questions.
By SEORecheck Research Team, SEO auditorsPublished 9 min read

Google AI Mode optimization means making your pages eligible for, and useful to, the sources Google's AI Mode links to in its answers. Google says there is no separate AI Mode algorithm and no special file or markup. A page must be indexed and eligible for snippets, your site must be included in Search generative AI features, and the page has to answer the questions behind the query.
This guide covers what Google has actually documented about AI Mode, what it hasn't, and the checks you can run on your own site. For AI Overviews and AI search in general, see how to rank in AI Overviews.
What is Google AI Mode and how does it choose sources?
AI Mode is Google's conversational search experience for complex questions that need exploring and reasoning. Google says it uses a "query fan-out" technique: it runs many related searches across subtopics, then builds an answer and links to a wider range of pages than a single classic results page would show.
Here is how Google describes it on its AI features and your website page. AI Overviews and AI Mode can both use query fan-out to find supporting pages while the answer is being generated. The AI optimization guide defines fan-out as a set of related queries the model runs at the same time to fetch more search results. Its example: someone asks "how to fix a lawn that's full of weeds" and the system may also search "best herbicides for lawns", "remove weeds without chemicals" and "how to prevent weeds in lawn".
The same guide says these features are "rooted in our core Search ranking and quality systems" and pull content from the Search index. So a page that can't rank or be indexed can't be a source. Google does not publish a list of AI Mode ranking factors. Anything sold as "the AI Mode algorithm" is guesswork.
Is AI Mode optimization different from regular SEO?
Mostly no. Google says the basic SEO best practices apply to AI Mode: meet the technical requirements for Search, follow Search policies, and write helpful, reliable content for people. What changes is the format. A single AI Mode answer can draw on pages that rank for many fan-out queries, not just the one the user typed.
Google's guide lists several "AEO/GEO" tactics you can skip:
- llms.txt and AI text files. "You don't need to create new machine readable files, AI text files, markup, or Markdown to appear in Google Search."
- Chunking. There is "no requirement to break your content into tiny pieces" for AI.
- Writing for AI. "You don't need to write in a specific way just for generative AI search." The systems understand synonyms and meaning.
- Manufactured brand mentions. Google says chasing inauthentic mentions "isn't as helpful as it might seem."
- Structured data for AI. It is "not required for generative AI search," and no special schema.org markup is needed. It still matters for rich result eligibility.
The broader comparison is in GEO vs SEO. For AI Mode the short version is: fix the SEO foundation first, because AI Mode draws its sources from the same index.
What makes a page eligible to appear in AI Mode?
A page is eligible when it is indexed, can be shown with a snippet, follows Search policies, and your Search Console property is included in Search generative AI features (the default setting). If any of these four fails, the page can't be linked in AI Mode, however good the content is.
| Requirement | Where it's documented | How to check |
|---|---|---|
| Page is indexed and meets Search technical requirements | AI features and your website | URL Inspection in Search Console |
Page is eligible for a snippet (no nosnippet, no overly short max-snippet) |
AI features and your website | View source and the X-Robots-Tag response header |
| Site is included in Search generative AI features | Search generative AI control | Settings > Search generative AI in Search Console |
| Googlebot can crawl the page and its resources | Google's common crawlers | robots.txt and firewall/CDN bot rules |
The Search Console setting most people miss
Google's Search generative AI control decides whether your site can appear in AI Overviews, AI Mode and generative AI features in Discover. Inclusion is the default for every property. If someone switched it to exclude, Google says links to your site and its content "won't appear" in these features and you "won't receive any traffic or impressions" from them. The setting doesn't affect classic rankings. Google says it "isn't used as a ranking or inclusion signal" for other parts of Search. It is worth checking once, especially on a property set up by an agency or a former employee.
Does blocking Google-Extended remove you from AI Mode?
No. Google's crawler documentation says Google-Extended "does not impact a site's inclusion in Google Search nor is it used as a ranking signal in Google Search." Google-Extended controls whether your content is used to train Gemini models and to ground answers in Gemini apps. Google Search crawls with Googlebot, and blocking Googlebot removes you from AI Mode along with everything else in Search. More rules are in the robots.txt guide.
How do you optimize content for AI Mode's query fan-out?
Cover the questions that naturally come after the main one, on pages that can each rank for them. Fan-out means AI Mode looks for sources for each subtopic, so a site that answers the main question and its likely follow-ups clearly has more chances to be linked. Google also says unique, non-commodity content matters more than recycled summaries.
A practical way to do this:
- Write down the fan-out yourself. For each money page, list the 5–10 questions a careful buyer would ask next. A plumber's "water heater replacement" page leads to cost factors, tank vs tankless, how long installation takes, permits, warranty and signs it's time to replace.
- Answer each one in its own section. Use a question heading and give the answer in the first sentence or two, then the detail. This isn't the "chunking" Google calls unnecessary. It's ordinary clear writing that helps readers too.
- Add what only you know. Google's guide contrasts a first-hand review, which gives "a unique perspective based on personal experience," with a summary that "simply restates information already available elsewhere." Real numbers from your own jobs, photos, test results and named experts are what commodity pages can't copy.
- Split topics that need their own page. If a follow-up deserves a full answer ("tankless water heater pros and cons"), give it its own page and link it from the hub. Topic clusters explains how to set that up.
- Make facts easy to verify. Put prices (or price ranges), service areas, opening hours, specs and policies in plain HTML text, not only in images or PDFs.
Does AI Mode need text in the initial HTML?
Google renders JavaScript, so text that appears after rendering can still be indexed. Still, rendering failures, blocked scripts and content that only loads after a click are common reasons a page is indexed without its main text. If key answers depend on client-side scripts, test the rendered HTML with URL Inspection. See JavaScript SEO rendering problems for the usual causes.
What about local businesses and online stores in AI Mode?
Google says generative AI answers "can include product listings, product information, and information about local businesses." It recommends Merchant Center feeds for products and Google Business Profile for local businesses, because both feed AI responses and standard results. For images and video, Google says following its existing image and video SEO guidance already counts as optimizing.
So, for a local business:
- Keep your Google Business Profile complete and consistent with your website: name, address, phone, hours, categories and services.
- Make your service pages say clearly what you do, where, and for whom.
For a store:
- Keep the Merchant Center feed accurate: price, availability, shipping and returns.
- Make sure product pages show the same facts as the feed, in crawlable text.
- Use descriptive alt text and real product photos (see image SEO best practices).
How do you control what AI Mode shows from your pages?
Use the same controls you use for classic snippets. Google says nosnippet, data-nosnippet, max-snippet and noindex also govern how your content appears in AI features. Stricter settings mean less of your text can be shown, and pages with noindex or nosnippet can't be used at all.
Examples:
<!-- Keep the whole page out of snippets and AI features -->
<meta name="robots" content="nosnippet">
<!-- Keep one block (e.g., internal pricing notes) out of snippets -->
<div data-nosnippet>Contract terms for existing clients…</div>
Use these on purpose, not by accident. A common audit finding is a site-wide max-snippet:0 or nosnippet added by a plugin or a legal-review request years ago. It quietly removes the site from snippets and from AI features. To opt the whole site out of AI Overviews and AI Mode while keeping classic results, the Search Console control above is the documented tool.
How do you measure AI Mode traffic and citations?
Use the Generative AI performance report in Search Console. Google says it shows impressions from AI Overviews and AI Mode, meaning how many times links to your site appeared in these features. Clicks from AI features are included in the main Performance report under the Web search type, together with your other search data.
What the Generative AI performance report gives you:
- Impressions only. An impression counts when a link to your site is shown in a generative AI feature.
- One impression per answer. Data is aggregated by property, so two of your links in one AI answer count as a single impression.
- Two search types. "Web: text-based" for typed queries and "Web: multimodal" for image-based searches such as Google Lens and Circle to Search.
- Search Labs experiments are excluded.
- The usual limits apply. That includes the 1,000-row cap and the standard date range. Export the data regularly if you want a longer history.
A simple monthly routine: export AI feature impressions by page, compare them with the same pages' classic clicks and impressions, and note which pages started or stopped appearing after you changed content. To track this alongside your classic SEO metrics, see SEO vs GEO performance measurement.
You can also do manual spot checks. Ask AI Mode the questions your customers ask about your business and services, and note which sites it links. Treat these as examples, not data: answers vary by user, location and wording.
What's a quick AI Mode audit for your site?
Work through these checks in order. Each one can block AI Mode on its own:
- Search Console > Settings > Search generative AI is set to include.
- Key pages are indexed (URL Inspection or the Page indexing report).
- No unintended
noindex,nosnippetor restrictivemax-snippetin HTML or headers. - robots.txt and your CDN/firewall allow Googlebot. Blocking Google-Extended is a separate choice that doesn't affect Search.
- Main answers are present in the rendered HTML.
- Each money page answers its likely follow-up questions with original detail.
- Business Profile and Merchant Center data match the website.
- AI feature impressions are exported and reviewed each month.
If you'd rather not check all of this page by page, the free SEORecheck audit covers AI crawler access in robots.txt, snippet controls, text that only appears after JavaScript runs, Organization/sameAs markup with your Wikidata entry, and how your site answers the questions people ask AI assistants about your business. Results are reported as checks passed, as shown in the sample report.
Key takeaways
- AI Mode uses Google's Search index and core ranking systems. Google documents no separate AI Mode algorithm, file or markup.
- Eligibility needs four things: an indexed page, snippet eligibility, Googlebot access, and inclusion in Search generative AI features in Search Console.
- Query fan-out rewards sites that answer the main question and its follow-ups, with original, first-hand detail.
- Google-Extended doesn't affect Search. Blocking it doesn't remove you from AI Mode.
- Snippet controls (
nosnippet,data-nosnippet,max-snippet,noindex) also govern AI features. Check for accidental site-wide settings. - Measure AI Mode impressions in the Generative AI performance report and export them regularly.


