Claude (Anthropic’s assistant) reaches your content two ways: through its own web search, where it retrieves live pages and cites the sources it used with links, and through its training knowledge, where it already “knows” widely-referenced, credible sources. That makes Claude its own citation game — distinct from ChatGPT (OAI-SearchBot, reportedly also Bing), Perplexity (its own retrieval), and Gemini (Google’s index). The defining difference: Anthropic documents no index or webmaster tool to submit your sitemap to. The levers are crawlability, being the best answer, and authority. Here is what we recommend in 2026, in priority order.
1. Let Anthropic’s crawlers in — both of them
Anthropic uses distinct user agents for distinct jobs, and says blocking them can reduce your visibility in Claude’s search. Treat both as first-class:
ClaudeBot— Anthropic’s crawler that gathers content which can inform the training corpus. Allowing it can help Claude “know” your brand even with web search off.Claude-SearchBot/Claude-User— Claude-SearchBot improves search results, and Claude-User fetches pages live when a person’s question needs them. Allowing them is how you become a citable source in real time.- Keep both Allowed in
robots.txt. Blocking either removes a path to citation, with no upside for a site that wants to be found.
Our free fix generator outputs a robots.txt that allows the major AI retrieval + training crawlers, including Anthropic’s. See also the AI bot allowlist guide.
2. Be the clear, extractable best answer
When Claude searches, sources that directly and credibly answer the question and that are easy to quote accurately are the ones worth being. Make the quotable part unmistakable:
- Open with a direct, ≤45-word answer, then phrase H2s as the questions people actually ask.
- Lead with facts, numbers, definitions, lists and tables — passage-ready statements, not marketing fluff.
- Render core content in first-paint HTML; JS-gated content is harder for a live fetch to read reliably.
3. Build corroborated, credible authority (E-E-A-T)
Credibility and corroboration likely carry weight: a source that looks trustworthy and is echoed elsewhere is easier to rely on. The same presence can also carry your facts into Claude’s training knowledge over time.
- Organization + Person JSON-LD on every page, with
sameAslinks to ≥2 public profiles. - A real /about, named author bylines with credentials, and a /methodology page.
- Get corroborated — the same facts referenced across several credible places (your site + reputable mentions) is a strong “trust this source” signal. See entity coherence & schema.
- Cite your own primary sources. Well-sourced content is easier to trust and quote.
4. Earn a place in the training corpus
Much of what Claude can mention without searching comes from training. You don’t control a training run, but you do control whether you’re a broadly-present, authoritative reference by the time the next one happens:
- Publish genuinely-helpful, comprehensive content that owns its topic — thin, AI-spun filler is the opposite of what compounds.
- Be referenced widely across the open web (the corroboration graph) so your brand resolves to a clear entity.
- Keep ClaudeBot allowed (step 1) — Anthropic says blocking it signals that your future pages should be excluded from training.
5. Stay fresh and accessible
For anything time-sensitive, recency can tip Claude’s live search toward you — and accessibility makes sure the fetch succeeds:
- Show visible published / updated dates and keep
dateModifiedcurrent. - Keep pages fast and mobile-perfect with content in the HTML, not hidden behind interaction.
Why is Claude different from the others?
ChatGPT search has OAI-SearchBot and is reportedly fed partly by the Bing index, Gemini and AI Overviews lean on Google’s, and Perplexity on its own crawler. For Claude, Anthropic documents no index to submit to: it pairs its own live search with what it learned in training. So the winning play is foundational rather than tactical — be crawlable, be the best, most-quotable answer, and be a credible, corroborated entity. That also helps with the other three engines.
Measure it — then close the gaps
You can’t improve what you don’t track. Check whether Claude (and ChatGPT, Perplexity, and Gemini) actually cite you for your target questions, and watch it over time. Start with a free audit of the technical + content dimensions above, then generate the fixes.
Check where you stand — free.
Audit any URL across the dimensions above, then generate your robots allowlist + schema. No signup.
Or skip pasting a URL — email me a free sample AI-visibility report instead.
Related: How to get cited by ChatGPT · How to get cited by Perplexity · How to get cited by Gemini · Tracking citations across four LLMs