GAIO (SEO for IA) - Best practices

Generative AI Optimization (GAIO) requires adhering to a set of criteria and following a few recommendations.

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What is GAIO (Generative AI Optimization)?
The SEO for AI Agents.


Generative AI Optimization (GAIO) is a new optimization strategy focusing on a brand—specifically its website—to increase its visibility among generative AI agents.

This technique is similar to search engine optimization (SEO), except it applies to searches performed on AI platforms (ChatGPT, Gemini, Perpexity, Claude...).

Why is this important?

  • New search habits: Users are increasingly turning to generative AI to obtain direct, personalized answers. Positioning yourself on these tools ensures you remain visible where the attention is focused.
  • Contextual answers: Unlike a traditional search engine that provides a list of links, generative AI tools synthesize information into a single response. Being directly cited in these answers requires specific optimization (data structuring, conversational content, etc.).
  • Competitive advantage: Most brands have not yet adapted their visibility strategy for these new channels. Adopting a GAIO approach early gives you privileged exposure before competition intensifies.
  • Trust and credibility: AI-generated responses are perceived as neutral and objective. If your brand or content is included in these recommendations, it reinforces your authority and legitimacy in users’ eyes.

In short, GAIO is essential for any company looking to anticipate the evolution of online searches and ensure its presence in an ecosystem where generative AI plays an increasingly central role.

Technical

GAIO - SEO for IA - Optimisation technique

✱ Accessibility, Crawlability & Sitemap

Objective: allow AI agents to easily explore your site’s pages and understand their structure. Our recommendations:

  • Check your robots.txt file
    • Make sure you’re not blocking access to important pages for indexing.
    • Authorize relevant crawlers (User-agent: * Disallow: …).
  • Check the Sitemap
    • Create an up-to-date, coherent sitemap listing all pages intended for indexing.
    • Declare this sitemap in your robots.txt file and/or in Google Search Console/Bing Webmaster Tools.
  • Work on your internal linking
    • Ensure every important page is accessible via at least one internal link.
    • Use descriptive link anchors (e.g., “learn more about our AI services” rather than “click here”).
  • Avoid technical blockages
    • No pages requiring authentication for public content.
    • No “JavaScript blocking” that would prevent loading or interpreting the content.

Why are these elements important for AI? A site that’s easily crawlable ensures AI agents can analyze the content and integrate it into their knowledge bases. If they can’t explore your pages, those pages will never appear in their answers.

✱ Performance (PageSpeed)

Objective: improve page loading speed and overall performance so AI engines can integrate your content smoothly. Our recommendations:

  • Optimize images
    • Use modern formats (WebP, AVIF) and compress them.
    • Adapt the size to the context (no 3000 px images displayed at 300 px).
  • Enable Minification & Concatenation
    • Minify your CSS and JavaScript files.
    • Combine them if possible to reduce the number of requests.
  • Optimize Caching
    • Enable server-side caching (via Cache-Control or expires headers).
    • Use a CDN to distribute your static content more quickly.
  • Enable Lazy Loading
    • Only load images/resources visible in the viewport.

Why are these elements important for AI? AI also evaluates user experience. Fast pages get better “quality” scores, which increases the chances of being referenced and cited by AI models.

✱ Mobile Compatibility

Objective: adapt the display and user experience for mobile devices. Our recommendations:

  • Focus on Responsive Design
    • Use media queries and a flexible layout.
    • Test on various mobile devices and tablets to check usability (button size, readable font, etc.).
  • Optimize Mobile Performance
    • On mobile, connection speeds may be lower. Optimize page lightness even more.
  • Avoid intrusive interstitials
    • Avoid pop-ups that cover the entire screen and hinder navigation.

Why are these elements important for AI? AI agents (like Google Bard) often rely on Google’s mobile-first index. A site not adapted for mobile could be rated lower and thus less visible.

✱ SSL/HTTPS

Objective: secure the user-site connection and reassure crawlers about the site’s reliability. Our recommendations:

  • Enable a valid SSL certificate
    • Install a recognized SSL/TLS certificate (Let’s Encrypt, Cloudflare, or another provider).
    • Make sure it hasn’t expired.
  • Set up HTTP to HTTPS redirection
    • Redirect all HTTP traffic to the HTTPS version to avoid duplication and secure the entire domain.
  • Check HSTS settings
    • Enable HTTP Strict-Transport-Security (HSTS) to force the use of HTTPS.

Why are these elements important for AI? AI takes trust and security signals into account. A site using HTTPS is seen as more serious, and users (thus AI as well) will prefer to cite it.

✱ Hreflang

Objective: manage different languages and geographic versions of your site. Our recommendations:

  • Create hreflang tags
    • Clearly indicate the language and/or region targeted for each page version.
    • Example for a site in US English and French:<link rel="alternate" href="https://example.com/en/" hreflang="en-us" />
      <link rel="alternate" href="https://example.com/fr/" hreflang="fr-fr" />
  • Check URL consistency
    • Use subfolders (e.g., /en/, /fr/) or ccTLDs (.fr, .de…) if relevant.

Why are these elements important for AI? AI, like users, seeks to provide the right answer in the right language. Hreflang tags prevent showing the wrong page version to, for example, a French-speaking user.

6. Structured Data
Objective: help AI and SEO engines understand the nature and hierarchy of your content.
Our recommendations:

  • Use Schema.org
    • Apply the relevant markup for your type of content (Article, Product, FAQ, Recipe...).
  • Perform regular checks
    • Test your markup with Google’s “Rich Results Test” or other validators to spot errors.
  • Use FAQ Schema
    • To present Q&A, use FAQ markup. AI loves to directly pull well-structured answers.

Why are these elements important for AI? Generative models increasingly rely on structured data to provide reliable, enriched answers. The better your data is structured, the higher your chances of being cited in AI responses.

✱ Web Accessibility (WCAG)

Objective: make your site usable by everyone (including people with disabilities) and conform to WCAG (Web Content Accessibility Guidelines). Our recommendations:

  • Use alternative texts and labels
    • Fill in the alt attributes for images.
    • Use explicit labels for forms and interactive elements.
  • Optimize color contrast
    • Ensure contrast between text and background is sufficient for readability (≥ 4.5:1 recommended).
  • Develop a semantic hierarchy
    • Correctly use , , etc. to structure your content. AI (and screen readers) find it easier to navigate.

Why are these elements important for AI? A well-organized, accessible site is simpler to analyze (for both crawlers and users). AI values sites that offer a positive experience and meet standards.

✱ Voice Search (FAQ, etc.)

Objective: prepare for voice and conversational search, increasingly adopted by users (via Siri, Alexa, Google Assistant or AI agents). Our recommendations:

  • Adopt a conversational format
    • Write clear Q&A, as in an FAQ.
    • For example: “How do I do X?” “Why Y?” “How much does Z cost?”
  • Optimize long-tail keywords
    • Use more specific keywords, because voice queries tend to be longer and more natural.
  • Be snippet-friendly
    • Highlight short paragraphs (40–60 words) that precisely answer a question.

Why are these elements important for AI? Conversational AIs (ChatGPT, Alexa, etc.) often draw on FAQ-like formats. By directly answering questions, you multiply your chances of being featured in voice or generative results.

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By applying these best technical practices, you prepare your site to meet the requirements of AI agents which, beyond traditional SEO, aim to extract and present the most relevant and reliable information possible. This is the first (essential) step toward being mentioned or cited in answers generated by ChatGPT, Perplexity, Bard, Gemini, and all other upcoming AI models.

Need help? Our experts are available!

Structure

GAIO - SEO for IA - Optimisation structure

✱ Element Markup (Semantic HTML)

Objective: use clear, descriptive HTML to help AI bots (and users) understand the meaning and hierarchy of the different page elements. Our recommendations:

  • Use appropriate semantic tags
    • Use tags like <header>, <nav>, <main>, <article>, <section>, <footer> to structure the page.
    • Avoid using <div> or <span> in place of these semantic tags when a suitable tag exists.
  • Provide clear descriptions
    • If you have specific content blocks (e.g., testimonials, product sheets, etc.), structure them to reflect their semantic nature.
  • Optimize accessibility
    • Good semantic markup also benefits assistive technologies (screen readers), thus enhancing overall accessibility.

Why are these elements important for AI? AI models, like traditional search engines, more easily detect the sections and themes addressed. Clean semantic code makes it easier for them to extract relevant information and reuse it (direct answer, summary, etc.).

✱ Optimized Meta Data

Objective: properly fill in meta tags (title, description, etc.) to quickly inform AI bots of the page’s main topic and encourage user clicks. Our recommendations:

  • Use a relevant Title
    • Write a short <title> (50–60 characters max) that’s descriptive and targets one main keyword.
    • Avoid keyword stuffing.
  • Use a Meta Description
    • Clearly summarize the page’s content in 140–160 characters.
    • Spark interest (CTA or an engaging phrase).
  • Use Open Graph / Twitter Cards
    • Consider Open Graph tags (og:title, og:description, og:image) for optimized social sharing and, sometimes, for AI that retrieves this information.

Why are these elements important for AI? Although some AI agents go beyond the meta description (by reading the actual content), meta tags remain a quick indicator to understand the page’s context and suggest it if necessary.

✱ Title Structure (Hn)

Objective: use a clear title hierarchy (H1, H2, H3, etc.) to organize content and make it readable for humans… and for AI. Our recommendations:

  • Include a single H1
    • Place the page’s main title in an <h1>.
    • It should express the page’s overall theme.
  • Use a logical hierarchy
    • Put main sections in <h2>, then subsections in <h3>, etc.
    • Don’t skip levels (e.g., don’t jump from H2 directly to H4 without an H3).
  • Include relevant keywords
    • Insert keywords or important phrases in H2 and H3 titles, without over-optimizing.

Why are these elements important for AI? AI analyzes the title structure to break down content and quickly spot key information. A clearly defined H1 and well-organized headings improve understanding and thus the likelihood the content will be cited.

✱ URL Structure

Objective: use clear, explicit URLs that reflect each page’s content and make navigation easier. Our recommendations:

  • Use short, descriptive URLs
    • Avoid complex parameter strings or numeric IDs.
    • Example: https://www.mysite.com/ai/gaio-optimization rather than https://www.mysite.com/?page=123.
  • Include main keywords
    • Insert a relevant keyword (one or two words) in the URL, if it makes sense.
  • Avoid duplication
    • If several URLs point to the same content, use the rel="canonical" tag to indicate the main page.

Why are these elements important for AI? Clear URLs help crawlers (including AI) identify a page’s subject at first glance. This also makes it easier to categorize and group related content.

✱ Canonical

Objective: manage content duplication and indicate the “official version” of a page when multiple similar URLs exist. Our recommendations:

  • Use the <link rel="canonical" …> tag
    • Place it in the <head> of all duplicated or closely related pages to point to the master URL.
  • Check URL consistency
    • Make sure the canonical tag points to the definitive version (with or without www, HTTP/HTTPS, trailing slash, etc.).
  • Avoid duplicated content
    • Pages that are almost identical (e.g., same products, multiple parameters) should point to the canonical page to avoid diluting relevance.

Why are these elements important for AI? AI agents (and traditional search engines) dislike ambiguity. A properly set canonical tag helps them avoid mixing up versions or merging duplicate content. This way, you maximize your chances of being correctly referenced and cited.

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This structure (semantic HTML, organized headings, clear meta data, explicit URLs, canonical management) forms the skeleton of content that’s readable and understandable for AI bots. Combined with a solid technical foundation, it greatly increases your chances of having your pages correctly indexed, analyzed, and ultimately included in generative responses.

By refining your page structure, you set the stage for AI-friendly optimization—an essential part of any Generative AI Optimization (GAIO) strategy.

Need help? Our experts are available!

Content

GAIO - SEO for IA - Optimisation contenu

✱ Content Quality (Word Count)

Objective: provide text that’s sufficiently rich to bring real added value to users (and AI algorithms), while remaining concise and clear. Our recommendations:

  • Offer rich and informative content
    • Dive deep into topics, provide concrete examples and factual information.
    • Avoid excessively dense text blocks; structure your ideas with paragraphs and subheadings.
  • Use an appropriate length
    • There’s no perfect word count, but a page of 300–600 words might work for a basic introduction.
    • For in-depth articles, more than 1,000 words is often better referenced and more effectively leveraged by AI.
  • Optimize readability
    • Use accessible language, short sentences, and avoid overly technical jargon (unless your audience specifically requires it).

Why are these elements important for AI? AI analyzes the density of information and the overall coherence of the text to gauge its quality and relevance. Rich, well-structured content has a higher chance of being referenced in a generative answer.

✱ Content Relevance (Keywords)

Objective: include strategic keywords and a suitable semantic field to help AI agents understand the topic.
Our recommendations:

  • Conduct keyword research
    • Identify terms that users are actually searching for (via Google Trends, SEMrush, etc.).
    • Focus on the “long tail” (more specific queries).
  • Work on natural integration
    • Place keywords in titles, subtitles, and the first paragraph when appropriate.
    • Avoid “keyword stuffing”: excessive repetition can hurt readability and penalize your content.
  • Enhance semantic richness
    • Use synonyms, related expressions, and associated terms to cover a broader semantic field.

Why are these elements important for AI? AI models rely on semantics to classify and connect information. Relevant, well-targeted content (keywords, synonyms) makes AI’s job easier and increases your chances of being cited.

✱ Content Updates

Objective: keep information up to date and refresh pages regularly to remain relevant, particularly to AI. Our recommendations:

  • Update dates and figures
    • Refresh outdated dates and statistics (key figures, examples).
  • Indicate versions and new features
    • If you sell products or services, specify new versions, recent updates, etc.
  • Optimize “evergreen” pages
    • Even so-called “evergreen” content needs occasional refreshes to maintain its relevance.

Why are these elements important for AI?
AI values fresh information. Content that’s regularly updated is considered more reliable and is more appealing to feed its responses.

✱ Image Optimization

Objective: help AI understand and reference your visuals while improving loading speed. Our recommendations:

  • Use alt and title tags
    • Fill the alt attribute (alternative text) with a brief description of the image.
    • Optionally use the title attribute for additional info (optional).
  • Use compressed formats
    • Favor web-friendly formats (WebP, optimized JPEG).
    • Compress your images, maintaining a balance between quality and file size.
  • Use descriptive file names
    • Avoid “image1.jpg”; use “chocolate-cake-recipe.jpg” for clarity.

Why are these elements important for AI? AI also analyzes images and their associated tags. Well-written alternative text helps AI better understand visual content, potentially influencing the overall relevance of your page in its knowledge bases.

✱ Multimedia

Objective: diversify formats (videos, infographics, podcasts…) to attract and retain user attention, while providing more signals to AI. Our recommendations:

  • Include subtitles and transcriptions
    • For videos or podcasts, provide a transcript or subtitles (accessibility and indexing).
  • Optimize loading time
    • Host your videos on suitable platforms (YouTube, Vimeo) or use a CDN to avoid slowdowns.
  • Use semantic tags
    • Use <video>, <audio>, <figure> and <figcaption> tags when appropriate.

Why are these elements important for AI? AI is increasingly able to interpret multimedia formats (computer vision, voice recognition). Offering multiple content types enriches your page and multiplies citation opportunities.

✱ Inappropriate Content

Objective: avoid offensive, misleading, illegal, or otherwise unsuitable material that could deter AI from referencing your site. Our recommendations:

  • Moderate and monitor editorial control
    • Keep an eye on comments, forums, and UGC (User Generated Content) to eliminate issues (harassment, spam…).
  • Apply a content policy
    • Set clear rules for what’s acceptable (editorial charter).
  • Report content
    • If a user finds inappropriate material, make it easy to flag so you can respond quickly.

Why are these elements important for AI? AI and search engines may penalize or exclude sites distributing sensitive, hateful, or illegal content. A “clean” site is seen as more reliable and therefore more likely to appear in their answers.

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High-quality, relevant content is central to optimizing for AI. By regularly publishing reliable information, structuring it effectively, and integrating multimedia elements, you increase your chances of capturing AI models’ attention and appearing in their responses.

Armed with these tips, your site gains strong, appealing content in the eyes of AI agents—an essential step in any Generative AI Optimization (GAIO) strategy.

Need help? Our experts are available!

Authority

GAIO - SEO for IA - Optimisation netlinking

✱ External Popularity (Backlinks)

Objective: strengthen your site’s reputation through inbound links (backlinks) and external signals (social media, specialized directories), so AI engines view your content as credible and relevant. Our recommendations:

  • Obtain high-quality backlinks
    • Guest blogging: write articles on authoritative sites to include a link back to your own content.
    • Press relations (PR): collaborate with media outlets or influencers to showcase your expertise.
    • Studies and white papers: publish original resources (data, analyses) that other sites may cite.
  • Register on directories and social networks
    • Specialized directories: choose a few quality platforms relevant to your industry to list your site.
    • Social networks: regularly share your content on platforms where your audience is active (LinkedIn, Twitter/X, YouTube, etc.).
  • Maintain a natural link profile
    • Vary the sources of your inbound links (blogs, media sites, forums, etc.).
    • Check the quality of your backlinks (avoid spam or “toxic” links).

Why are these elements important for AI? AI, like traditional search engines, factors in external popularity signals to gauge a site’s or an author’s reliability. A site with many quality links is considered more credible and more likely to be cited in generative answers.

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Your site’s authority is a fundamental pillar of any GAIO (Generative AI Optimization) strategy. By combining:

  • A solid technical foundation,
  • A clear and well-structured layout,
  • Rich, targeted content that’s regularly updated,
  • Authority boosted by external links and a good reputation with AI,

…you maximize your chances of appearing in generative answers and being regarded as a trustworthy source.

Multiply external trust signals (backlinks, social media, directories).

With these final keys, you now have a complete overview of the levers for AI optimization. You’re ready to build a robust and efficient GAIO strategy!

Need help? Our experts are available!

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