ARTICLE
Building an AI-Visible Website
A step-by-step guide to making your website visible to AI search engines. From robots.txt to llms.txt to content structure.
Apr 16, 20264 min read
AI visibility is the new SEO
In 2026, an increasing share of search happens through AI — ChatGPT, Perplexity, Claude, Google AI Overviews. These systems don't show ten blue links. They generate answers and cite sources. If your website isn't structured for AI consumption, you're invisible to a growing segment of searchers.
The good news: making a site AI-visible mostly means doing good SEO better. The additional AI-specific steps are straightforward and take a few hours.
Step 1: Allow AI crawlers in robots.txt
AI search engines use web crawlers to index your content. If your robots.txt blocks them, they can't include you.
Allow these crawlers (they cite your content in search answers):
- GPTBot, ChatGPT-User (OpenAI)
- ClaudeBot, Claude-SearchBot (Anthropic)
- PerplexityBot
- Applebot-Extended (Apple Intelligence)
Block these crawlers (they scrape for model training, not search):
- CCBot (Common Crawl — model training)
- Google-Extended (Gemini training)
Check your current AI crawler permissions with the AI Visibility Grader.
Step 2: Create an llms.txt file
The llms.txt specification is an emerging standard — a plain-text file at /llms.txt that provides a machine-readable summary of your site.
Think of it as a README for AI crawlers. It should include:
- What your business/product is (1–2 sentences)
- Key pages with URLs
- Pricing information
- Features and services
- FAQ answers
This file helps AI models quickly understand what you offer so they can cite you accurately when relevant questions arise.
Step 3: Add structured data everywhere
JSON-LD schema markup gives AI crawlers machine-readable facts. A page with Organization schema tells an AI model "this is a business called X, located at Y, offering Z." That structured understanding is far more reliable than parsing marketing copy.
Key schema types:
- Organization — homepage
- LocalBusiness — local business sites
- SoftwareApplication — SaaS/tool sites
- FAQPage — any page with Q&A content
- Article/BlogPosting — blog posts
- Product — product pages
Check any site's structured data with the Meta Tag Analyzer.
Step 4: Write for extraction
AI models extract information from clear, factual sentences. Structure your content for easy extraction:
Do:
- Use bullet points and numbered lists for key facts
- State numbers explicitly: "Our plans start at $39/month"
- Use tables for comparisons and specifications
- Answer questions directly: "What is [X]? [X] is..."
- Use clear headings that describe the section content
Don't:
- Bury key information in images or PDFs (AI can't read them reliably)
- Use vague marketing language instead of specific claims
- Rely on context from surrounding pages (each page should stand alone)
- Hide content behind JavaScript interactions or login walls
Step 5: Build topical authority
AI models weigh topic authority — sites with deep, interconnected content on a topic are cited more than sites with a single surface-level page.
Build content clusters:
- Pillar page: Comprehensive overview of your core topic (2,000+ words)
- Supporting pages: Specific subtopics linking back to the pillar (800–1,500 words each)
- Tools and resources: Interactive content that demonstrates expertise
Example: A dental agency's cluster might include a pillar page on "dental website SEO," supporting pages on local SEO, patient reviews, schema markup for dentists, and a free audit tool that demonstrates the concepts.
Step 6: Keep content fresh
AI search engines value recency. Content with recent publication or update dates signals that the information is current.
- Publish new content regularly (even once per week matters)
- Update existing content with new information and fresh "last updated" dates
- Remove or update outdated content (a 2022 "SEO trends" post hurts more than it helps)
Measuring AI visibility
There's no equivalent of Google Search Console for AI search (yet). But you can:
- Search for your product/service on ChatGPT, Perplexity, and Claude — are you cited?
- Use the AI Visibility Grader to check technical signals
- Monitor referral traffic from ai.com, perplexity.ai, and similar domains in your analytics
- Track mentions of your brand in AI-generated content
The checklist
Run through this for every site you optimize:
- Robots.txt allows AI search crawlers
- llms.txt file exists and is accurate
- Key pages have JSON-LD structured data
- Content uses clear, factual language
- Headings describe section content
- Key facts are in text (not images or PDFs)
- Site has depth on core topics (5+ related pages)
- Content is published regularly with dates
- Run a full audit to check all signals
AI search is where organic search was 15 years ago — early adopters have a massive advantage.
Keep reading
llms.txt and the Future of AI Discoverability
What the llms.txt specification is, why it matters for AI search, and how to create one for your website or your clients' websites.
Preparing Your Clients for GEO
Generative Engine Optimization is the next frontier for agencies. How to prepare your clients for AI-powered search before competitors catch up.
How AI Search Engines Find and Rank Websites
What ChatGPT, Perplexity, and Claude look for when deciding which websites to cite. Practical steps to improve your AI search visibility.