Quick answer: your website is AI-ready if AI crawlers can fetch it (robots.txt doesn't block them), read it (the content is in the raw HTML, not rendered by JavaScript), extract it (clear headings, direct answers, lists), and attribute it (structured data that says who you are). Most sites fail at least one of these — and every failure makes you invisible in AI answers.
See your AI readiness grade right now:
Run a free AI readiness scan →A growing share of the questions your customers used to type into Google are now answered by ChatGPT, Perplexity, Google AI Overviews and Copilot. When those engines answer, they cite a handful of sources — and if your site can't be read by their crawlers, you are not in that handful. Your competitor is.
Unlike classic SEO, this isn't about ranking #1. AI engines pull from many positions and reward pages that are easy to extract and quote. Research from Princeton on generative engine optimization found that adding quotable statistics, citations and clear sourcing lifted AI visibility by up to 30–40% (Aggarwal et al., 2023).
Every AI vendor runs separate crawlers for training and for search citations — and blocking the wrong one silently removes you from AI answers:
| Engine | Citation crawler (allow this) | Training crawler (optional to block) |
|---|---|---|
| ChatGPT | OAI-SearchBot | GPTBot |
| Perplexity | PerplexityBot | — |
| Claude | Claude-SearchBot | ClaudeBot |
| Google AI | Googlebot | Google-Extended |
Many sites copied a "block all AI" robots.txt in 2023–2024 and blocked their citation crawlers too. You can opt out of training and stay citable — they are independent decisions.
AI crawlers do not execute JavaScript. An analysis of hundreds of millions of AI crawler fetches found zero JavaScript execution by GPTBot and ClaudeBot. If your site is a client-rendered app (React, Vue, etc. without server rendering), AI sees a nearly empty page — no matter how good the content looks in a browser.
AI engines lift self-contained passages: 40–100 word chunks that directly answer a question. Walls of text, missing headings, and pages without lists or tables get skipped in favor of content that's already answer-shaped.
Structured data (JSON-LD) — Organization, Article, FAQ schema — is how AI engines connect your content to a real, trustworthy entity. No schema means no author, no dates, no brand identity: harder to trust, harder to cite.
You can check each item manually — fetch your robots.txt, view source with JavaScript disabled, validate your JSON-LD — or run one scan that checks all of it:
The free scan shows your grade and top issues. The full audit — every issue with fixes plus the complete Fix-it kit — is a one-time €29, no subscription. See a sample report.
An AI-ready website can be fetched, read, understood and cited by AI answer engines. Concretely: AI crawlers are allowed in robots.txt, content is server-rendered, the structure is extractable, and structured data identifies your brand and authors.
No. GPTBot is the training crawler. ChatGPT search citations come via OAI-SearchBot. Block GPTBot if you want to opt out of training — just don't block OAI-SearchBot if you want to appear in answers.
They overlap (crawlability, structure, trust) but diverge in emphasis: AI engines don't run JavaScript, favor quotable answer-shaped passages over keyword targeting, and lean heavily on verifiable dates, sources and entity signals.