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LLM SEO: How to Get Cited by AIs and Google Overviews

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Language models like ChatGPT, Perplexity, or Claude no longer just read your pages. They synthesize them, summarize them, and decide if they deserve to be cited in a response. The LLM SEO refers to the discipline of structuring your content so that it is understood, reused, and cited by these artificial intelligences. This is an area we work on daily as an Webflow agency specializing in SEO and AEO, to make our clients' websites visible on Google as well as on AI engines.

The shift is rapid and already measurable. According to SparkToro, 44.2% of LLM citations come from the first 30% of the text, i.e., the introduction. In other words, what you place at the top of the page largely determines your citability. And a counter-intuitive fact noted by Ahrefs across 75,000 brands, brand mentions weigh three times more than backlinks for appearing in AI responses.

This guide is deliberately method-oriented. If you first want to understand the strategic upheaval of the SERP, zero-click, and AI Overviews, start with our article on SEO in the era of zero-click and AI Overviews. Here, we get into the practical details: the four technical steps to make content truly citable by AI.

AIs don't "read" like humans do

Content might rank well on Google but be invisible to AI. Why? Because models analyze information in three successive layers:

  1. Is the content accessible? Can the AI load the page, read the HTML, and ignore blocking JavaScript?
  2. Is the content understandable? Is it structured, segmented, with an explicit answer at the beginning of the section?
  3. Is the content reusable? Is it reliable, up-to-date, sourced, and reformulable without ambiguity?

To be used by an LLM, it's not enough to write a good article. You need to produce content that is technically readable, semantically structured, and cognitively exploitable. This is exactly what the following four steps cover.

Step 1: Ensure the technical accessibility of your content

Even before optimizing content for artificial intelligence, it must first be visible and readable by the systems that power LLMs. This step is often underestimated, yet it dictates everything that follows.

LLMs largely rely on data collected by crawlers like Googlebot and Common Crawl, but also dedicated bots such as GPTBot, ClaudeBot, and PerplexityBot. If your content is poorly rendered, too slow, or hidden by an uninterpretable JavaScript layer, it will not be indexed, used, or cited.

This is the basic principle of GEO, optimization begins with accessibility.

Illustration visuelle d’un graphique d’optimisation technique
Visual symbolizing the improvement of web performance (speed, HTML structure, AI compatibility) as a fundamental driver of LLM SEO.

Make your pages readable without JavaScript

Sites built with React, Vue, or Angular, when not properly configured, rely on client-side rendering, meaning the user's browser executes the JavaScript and displays the page. However, most AI bots do not load or only partially load JavaScript. As a result, your main content may simply be absent from the index.

Practical solutions:

  • Switch to server-side rendering (SSR). The browser receives a complete HTML version, already ready to be read. Next.js or Nuxt.js allow this natively.
  • Use a generative CMS like Webflow, all content is generated in native HTML/CSS, immediately readable by bots.
  • If you stick with a SPA, implement pre-rendering (prerender.io, Rendertron) for critical pages.

To test if your pages are readable:

  • Use the command curl https://www.votresite.com/page and check if the main text appears.
  • Inspect your pages in Google Search Console, URL Inspection, Googlebot View.
  • Run your site through Screaming Frog SEO Spider with JavaScript disabled.

Also, be aware of a recent pitfall: the default blocking of AI bots on certain Cloudflare configurations has quietly cut off visibility for many websites. Check your CDN settings to ensure that OAI-SearchBot, ClaudeBot, PerplexityBot, and Google-Extended are not blocked.

Optimize rendering speed and cleanliness

Another often overlooked point, AIs don't wait. Excessive loading times, overly complex code, or a disorganized HTML structure can slow down or interrupt your page's analysis. This is even more critical because Google, in its AI Overviews, only retains content that is rendered quickly, cleanly, and well-formatted.

Technical goals to aim for:

  • LCP (Largest Contentful Paint) under 2s
  • TTFB (Time To First Byte) under 500ms
  • CLS (Cumulative Layout Shift) close to 0

Key optimizations:

  • WebP or AVIF images, with defined dimensions and native lazy loading (loading="lazy")
  • Brotli or Gzip compression enabled server-side
  • Semantic and hierarchical HTML, without unnecessarily nested tags
HTML elements, their role for AI and the best practices to apply
HTML element Role for AI & best practice
<main>, <section>, <article> Role: identify the main content blocks
Best practice: use according to the page's logical hierarchy
Heading tags (H1, H2, H3) Role: structure the content for analysis
Best practice: a single H1, progressive and descriptive flow
alt attribute on images Role: understand visuals and their context
Best practice: write descriptive, useful alternative text
DOM cleanup Role: reduce noise and interpretation errors
Best practice: remove empty tags, comments and hidden content

Step 2: Structure your content to be processed by AI

Once your content is accessible, it needs to be organized so that it can be understood, extracted, and rephrased by models. Unlike a human reader who visually scans a page, an LLM isolates semantic blocks to interpret them. It breaks down, rewrites, and synthesizes. In other words, good LLM SEO content is not just readable, it is rephrasable.

Start by answering the question

Generative models look for quick and explicit answers. Your content should therefore start with the answer, not with the introduction.

❌ "SEO has undergone many changes over the years…"
✅ "LLM SEO involves structuring content so that it can be understood and cited by an AI like ChatGPT or Perplexity."

This "inverted funnel" structure, from most useful to most detailed, allows AI to directly extract the essentials. This is far from trivial, as the introduction contains the majority of citations.

Use a logical heading hierarchy

AIs rely heavily on heading tags to understand content organization.

  • Only one H1 per page, containing the main topic in descriptive or interrogative form
  • Use H2s for each major idea, one per section
  • Use H3s to elaborate on an argument or structure a sub-idea

A good practice is to turn your headings into precise questions that the page answers. This creates a clear mental map that AI can follow to identify passages to rephrase.

Exemple de hiérarchie H1, H2, H3 dans un article structuré
Example from an article structured with well-hierarchized H1, H2, and H3 tags. This is the type of structuring that LLMs use to categorize and summarize information.

Format your paragraphs for semantic readability

AIs don't read style; they read structure. An overly long paragraph or an idea buried in verbosity hinders extraction.

  • One paragraph = one idea
  • 3 to 5 sentences maximum per block
  • A style Factual and informative, without suspense or unnecessary literary effect

Conversely, avoid technical metaphors, lengthy unflagged digressions, and ambiguous switching between "you," "we," and "one." Maintain a consistent voice.

Incorporate formats that LLMs extract most effectively

Certain structures are better leveraged by AI because they facilitate reformulation. A notable finding from Semrush, based on 80 million AI queries, is that formats listicle and how-to account for over 40% of cited content. Integrate them naturally: comparative tables, numbered lists, FAQs, standalone definitions.

Write sentences that can be reformulated "as-is"

LLM-ready content must contain segments directly copyable in an AI assistant's response.

✅ "Google's AI Overviews now appear for a majority of B2B tech queries."
❌ "This point will be elaborated on in more detail later in the article."

In practice, regularly include factual sentences, standalone definitions, and partial summaries of a section within that same section.

Step 3: Provide unique and verifiable added value

In a web saturated with similar content, LLMs aim to filter. Their goal is not just to summarize a well-structured page, but to identify the sources that genuinely offer something new or reliable. Content that merely repeats what's already available elsewhere, even if well-presented, has a very low chance of being picked up.

Create content that could only originate from you

Models prioritize content that demonstrates a real expertise, those that enhance their ability to respond. This doesn't mean producing something complex, but somethingrooted in the reality of your business.

  • An analysis from an A/B test on your own site
  • Detailed feedback on a Webflow redesign
  • Internal statistics, conversion rates, SEO, traffic, which you contextualize
  • A methodology you apply in your agency that differs from the norm

These elements differentiate you in visible content and position you as a legitimate source in the generated responses. This is also a point confirmed by academic research; the paper GEO: Generative Engine Optimization presented at ACM SIGKDD shows that adding statistics, source citations, and direct quotes are the three most effective levers for increasing visibility in AI responses.

Support your claims with reliable sources

AIs act as trusted mediators; they need to know that what they reuse is based on verifiable data. Therefore, you must do what few writers still do: cite your sources correctly.

  • Mention the name of the source, organization, study, publication
  • Add the publication date if known
  • Provide a hyperlink when relevant
  • Cite industry reports, public data, or internal experiment results

✅ "According to Ahrefs, brand mentions carry three times more weight than backlinks for AI Overview presence."
❌ "Many studies show that…" or "According to some sources…"

This type of vague phrasing is ignored by recent models, which prioritize precision and editorial accountability.

Clearly identify the author and their legitimacy

Models like Gemini or Claude don't just evaluate raw content; they also analyze the editorial context, including the author's perceived credibility. On an LLM SEO-optimized page, the author should not be an anonymous field; they must appear clearly with associated authority elements.

Author elements to display, their importance and how to integrate them to strengthen credibility
Element to display Importance & integration
Author name Why: personalization and attribution
How: at the top or bottom of the article
Specific role Why: signals subject-matter expertise
How: e.g. CEO Noqode, UX Strategist
Short bio Why: strengthens perceived credibility
How: 2 to 3 lines on the role, clients, approach
Links to other content Why: semantic continuity and authority
How: internal links or external publications

This strengthens the E-E-A-T signal, which has become central to Google's algorithm as well as in the scoring of generative AI.

Clearly display the update date

Models are increasingly prioritizing the freshness of information. According to analysis by Yext covering 6.8 million AI citations, recently updated content appears approximately 4.3 times more often in generated responses.

  • Indicate the date of update, and not just publishing
  • Add a visible mention at the beginning or end of the article
  • Schedule an editorial review every 6 to 12 months to stay on AI's radar

Step 4: Technical settings to get into AI Overviews

Google's AI Overview displays a generated summary that directly answers the user's question. We cover the strategic disruption of zero-click in depth in our dedicated article on AI Overviews. Here, let's focus on the concrete technical settings to maximize your chances of appearing there.

Aperçu IA Google pour une requête sur les LLM
Screenshot of a Google result with AI Overview, illustrating how LLMs rephrase content at the top of the SERP.

A page positioned even at the bottom of page 1 can be included in an AI Overview if it is structured, clear, and verifiable. Here are the priority settings to apply.

  • "Quick Answer" box of 2 to 3 sentences at the top of the page, to provide a directly extractable block.
  • Schema.org structured data enabled and tested, Article, HowTo, and Review tags, validated via the Google Rich Results Test.
  • llms.txt file in the root directory, which signals to AI crawlers which content to prioritize. We detail its implementation in our guide integrate an llms.txt file on Webflow.
  • Re-indexing via Search Console after each key update, to speed up indexing.
  • Maximum readability, precise headings, removal of digressions, short paragraphs.

If you are in local or B2B SEO, also take care of your Google Business Profile, your reviews, and your geolocated data, as AIs frequently draw from these for local answers.

Do you need an agency or an LLM SEO expert?

LLM SEO remains an emerging discipline, with few truly operational players in France. You can certainly start internally; most of the levers in this guide – structure, accessibility, sourcing, freshness – are applicable by a rigorous content team.

Engaging an agency or an LLM SEO expert is mainly justified in three cases. First, when your site suffers from a fundamental technical issue, such as JavaScript rendering, slowness, or disorganized HTML, which requires development intervention. Second, when you want to industrialize the approach for a large volume of pages, rather than manually processing each article. Finally, when you seek to truly measure your AI citations, which requires a tracking methodology that few teams master.

The investment is justified by a simple observation: traffic from LLMs converts 5 to 9 times better than classic organic traffic, according to Virayo, because the user arrives pre-qualified by AI. Less volume, much more intent. This is exactly what a B2B company looks for.

At Noqode, we natively integrate LLM SEO into our Webflow projects, from technical accessibility to citable content architecture. To position your site for AI engines, our free AEO audit gives you an initial assessment in minutes. And if you're looking for support, our offering SEO and AEO covers the entire process.

FAQ – LLM SEO

What is LLM SEO?

LLM SEO refers to optimizing content so that it can be understood, used, and cited by AI engines like ChatGPT, Perplexity, or Claude. Unlike traditional SEO, which aims for ranking in Google, it targets appearing in AI-generated responses.

What is the difference between LLM SEO, GEO, and AEO?

These terms describe the same goal with slight differences. The GEO (Generative Engine Optimization) aims for visibility in generative engines. TheAEO (Answer Engine Optimization) targets direct answers and featured snippets. The LLM SEO emphasizes optimization for large language models. In practice, they largely overlap and are implemented together.

Does LLM SEO replace traditional SEO?

No, it's an addition. Good traditional SEO, authority, quality content, and sound technical foundations remain the bedrock that allows AI to find and cite your pages. LLM SEO adds new dimensions: citability, brand mentions, AI crawler accessibility, and extractable structuring.

How long does it take to see results in LLM SEO?

The first citations usually appear within 2 to 3 months after content restructuring, adding structured data, and initial brand mentions. Consistent visibility and strong authority require 6 to 9 months of continuous optimization.

How do I know if my content is cited by an AI?

Test your target queries directly in ChatGPT, Perplexity, and Google Snippets, and note if your brand appears. Also, monitor for the reappearance of your exact phrasing, mentions of your domain, and referral traffic from platforms like Perplexity in your analytics.

Which structured data tags should I use?

The Article, HowTo and Review tags are particularly useful for facilitating extraction by models. They can be tested using the Google Rich Results Test. In 2026, structured data is what distinguishes content that AI has to guess from content it can confidently verify and cite.