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What Is The Best Way To Do Seo For Ai Search

Written by: Content & GEO Research

Fastlook Team

Posted: 9 min readUpdated:

Traffic from AI answer engines is no longer a rounding error. Semrush found AI Overviews on 15.69% of Google queries by late 2025, up from about 6.5%, and Bain estimates about 60% of searches now end without a click. The best way to do SEO for AI search is to earn the citation inside the answer, which means building the SEO foundations that feed AI visibility first and then layering answer-engine structure on top.

Quick answer

The best way to do SEO for AI search is to build the SEO foundations first, then add answer-engine structure. Make pages crawlable, fix Core Web Vitals, and strengthen internal links, then rewrite key pages to answer buyer questions in their opening sentence with sourced facts and matching schema markup.
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what is the best way to do seo for ai search
Last updated
Nov 13, 2026
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9 min
What Is The Best Way To Do Seo For Ai Search — brand illustration

Key Takeaways

  • Traditional SEO tries to rank a page as a link in a results list.
  • Four surfaces account for most AI-sourced attention: Google AI Overviews, ChatGPT, Perplexity, and Gemini.
  • SEO foundations are the crawlability, indexation, and performance conditions that determine whether an AI engine can retrieve your page at all.
  • Quotable content answers first and stays self-contained.
  • Schema markup is often treated as a checkbox that guarantees citation.

What is the best way to do SEO for AI search, and how does it differ from traditional SEO?

Traditional SEO tries to rank a page as a link in a results list. AI search optimization tries to get a passage quoted inside a generated answer, where the user may never see a link at all. According to Semrush (cited via the 2025 study in AI Rankings School), the category is also known as generative engine optimization (GEO) or answer engine optimization (AEO). The practical difference is what wins. Rankings reward position; citations reward a passage that can be lifted cleanly, carries verifiable facts, and comes from a source the engine trusts. AI SEO also has two sides: using AI tools to speed up production, and earning visibility inside AI-generated answers. This guide focuses on the second. Fastlook's Citation Analytics and Brand Memory exist for this measurement gap, since a ranking report cannot show whether ChatGPT or Perplexity actually named your brand.

DimensionTraditional SEOAI search optimization (AEO/GEO)
Unit of successRanked position and clicksBeing cited or named inside the generated answer
Primary signalLinks, relevance, technical healthExtractable passages, entities, structured data, trust
Typical resultA link in a results listA quoted sentence, or no click at all

Traditional fundamentals still feed AI visibility, so treat AEO as an additional layer, not a replacement.

what is the best way to do seo for ai search — by the numbers

15.69%
Semrush found AI Overviews appeared on of Google queries by late 2025,…
1,200%
Adobe Analytics measured a roughly jump in US retail website traffic…
60%
Bain estimates about of searches now end without a click
13%
LLMrefs, a share it describes as growing fast

Google

Which AI search platforms matter, and how do they select sources?

Four surfaces account for most AI-sourced attention: Google AI Overviews, ChatGPT, Perplexity, and Gemini. They do not reward the same things. According to Marketing Aid, Perplexity cited sources more often than other platforms in their analysis of 500 queries and included images, video, and text, so unique charts, diagrams, and a YouTube presence are worth building there. The same author reports Perplexity delivered the highest volume and best conversion rates among AI sources they measured, followed by ChatGPT, while Gemini sent small traffic without conversions. Google AI Overviews sit on top of the existing index, so the SEO foundations below carry more weight there. ChatGPT handles over 37.5 million search-like prompts daily, according to LLMrefs, which makes it the widest reach. Plan per platform rather than writing one generic version for all four.

PlatformWhat it tends to rewardSource
Google AI OverviewsStrong existing rankings, crawlable pages, clear answersOWDT
ChatGPTBroad reach; over 37.5M search-like prompts per dayLLMrefs
PerplexityFrequent citing, rich media, unique charts and videoMarketing Aid
GeminiNot separately documented in the sources providedNot publicly documented

Platform selection weights are not publicly documented by the engines themselves; these are observed patterns.

Why do the SEO foundations still decide whether an AI engine finds your page?

SEO foundations are the crawlability, indexation, and performance conditions that determine whether an AI engine can retrieve your page at all. According to AI Rankings School, crawlable pages, Core Web Vitals (LCP, CLS, INP), internal linking, and domain authority all still feed AI visibility. Many teams skip this layer because it feels outdated, yet it is the layer that gets a page retrieved in the first place. A page that a crawler cannot reach, or that loads slowly and shifts layout, is unlikely to be the page an AI engine quotes. The build order should therefore be sequential. First, make pages crawlable and indexed. Second, fix Core Web Vitals. Third, tighten internal links so authority flows to answer pages. Fourth, earn the references that signal trust. Only after those foundations hold does answer structure matter. Writing perfectly quotable passages on a page no engine can index is wasted effort, and this sequencing is the part most AEO checklists leave out.

How should content be structured so AI systems can quote it?

Quotable content answers first and stays self-contained. Place the direct answer in the opening sentence of each section, then support it with a specific fact. Use a short list only where a real set of steps or options exists.

  • Lead with the direct answer.
  • Support it with a named, verifiable fact.
  • Repeat the entity name instead of relying on pronouns.

For example, a section about answer engine optimization should name answer engine optimization in every sentence that needs it, so the passage still makes sense when an engine lifts it alone. According to OWDT, answer engine optimization emphasizes precise, structured, user-focused information that AI can use directly, and OWDT cites E-E-A-T (Experience, Expertise, Authoritativeness, Trustworthiness) as important for AI-generated results. Marketing Aid reported that adding AI-citation-oriented optimizations raised its Perplexity referral traffic by 67% and doubled newsletter signups from that source. This is one author's reported result, but it suggests that structure can move outcomes.

Where most teams get structured data and schema wrong

Schema markup is often treated as a checkbox that guarantees citation. It does not. According to Dagmar Marketing, FAQ, How-To, Product, and Organization schema should be added so AI systems receive a map of content types rather than inferring them. That map helps an engine classify a page correctly, but it does not substitute for a passage worth quoting. A FAQ block with thin answers carries the markup and still loses. Treat schema as a labeling layer over strong content, and keep the markup in line with the visible page, since mismatches undermine trust. Dagmar Marketing also recommends creating an llms.txt file to point AI systems at a site's most valuable content, which pairs naturally with schema because both tell a machine where the substance lives.

How do you measure visibility inside AI-generated answers?

Measuring visibility inside AI-generated answers means tracking whether engines name your brand, link to your pages, and send converting visitors. These figures show direction, but they do not reveal whether your brand is cited for the queries that matter. Measure at three levels:

  • Whether the engine names your brand for a target prompt.
  • Whether the engine links to your page.
  • Whether the referred visitor converts.

Fastlook's Citation Analytics tracks where a brand appears in AI answers across major engines. Fastlook's Lead Capture scores AI-sourced intent, so you can see the conversion step rather than only the impression.

What is the build order, from SEO foundations to AI-citation layers?

A workable build order runs in four stages, and the order matters because each stage depends on the one before it. First, fix crawlability, indexation, and Core Web Vitals so pages are reachable. Second, rewrite priority pages so each page answers the buyer's question in its opening sentence, with specific sourced facts. Third, add schema and an llms.txt file that match the visible content on those pages. Fourth, measure citations per platform and iterate on the pages that are retrieved but not quoted. None of these stages guarantees a citation, and rankings and citations can move independently, so track both. The honest limit: engines change how they select sources, and no vendor can promise a fixed outcome, so the durable advantage is a site that is fast, well structured, and genuinely authoritative on the questions its buyers ask.

Related guides

Frequently asked questions

What is the best way to do SEO for AI search?

The best way to do SEO for AI search is to build the SEO foundations first, then add answer-engine structure. Make pages crawlable, fix Core Web Vitals, and strengthen internal links, then rewrite key pages to answer buyer questions in their opening sentence with sourced facts and matching schema markup.

How is AI search optimization different from traditional SEO?

Traditional SEO aims for a ranked link in search results. AI search optimization, also called answer engine optimization (AEO) or generative engine optimization (GEO), aims for a passage to be quoted inside a generated answer. According to Semrush, AI search optimization is focused on being cited more often in AI-generated responses. Success is therefore measured by citation and mention, not by position alone.

Which AI search platform should I prioritize first?

Prioritize based on your audience and goal. According to Marketing Aid's analysis, Perplexity cited sources more often than other platforms and included rich media, while ChatGPT handles over 37.5 million search-like prompts daily according to LLMrefs. Google AI Overviews depend more heavily on existing rankings.

Does schema markup guarantee AI citations?

No. Schema markup does not guarantee citation. According to Dagmar Marketing, FAQ, How-To, Product, and Organization schema help AI systems classify content types. Markup labels a page. However, it does not make the page worth quoting. Schema works best over strong, self-contained answers that match the visible page.

What is llms.txt and should I use it?

An llms.txt file is a file that showcases a site's most valuable content to AI systems. Dagmar Marketing recommends creating one. It points machines toward the pages that matter most. It pairs well with schema markup, but it does not guarantee citation.

Do traditional SEO fundamentals still matter for AI search?

Yes. According to AI Rankings School, crawlable pages, Core Web Vitals (LCP, CLS, INP), internal linking, and authority still feed AI visibility. A page that an engine cannot reach or trust is unlikely to be quoted. Foundations therefore come before answer-engine structure.

How do I measure whether my brand appears in AI answers?

Track three things: whether the engine names your brand for target prompts, whether it links to your page, and whether referred visitors convert. Fastlook's Citation Analytics reports where a brand appears across major AI engines. Fastlook's Lead Capture scores AI-sourced intent, which connects visibility to conversion.

What is E-E-A-T and why does it matter for AI answers?

E-E-A-T is a framework made up of Experience, Expertise, Authoritativeness, and Trustworthiness. OWDT cites it as important for AI-generated results, because engines favor sources that demonstrate credibility. Show E-E-A-T through specific, verifiable detail, named sources, and accurate claims, rather than general assertions.

Should I optimize for Gemini as well?

Gemini is part of the AI search landscape, but published data on its referral volume is limited. Marketing Aid reports that Gemini sent small traffic without conversions in its measurement. Treat Gemini as a monitoring priority. However, focus effort on platforms with proven referral patterns.

Where should I start if my site has no AI visibility today?

Start with a crawlability and performance audit. Then rewrite your top five buyer-question pages so each answers directly and cites sources. Add matching schema markup, and measure citations per platform for two to three weeks. Iterate on pages that are retrieved but not quoted.

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