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 (which cites via Bing), Perplexity (its own retrieval), and Gemini (Google’s index). The defining difference: there is no public index to submit your sitemap to. The levers are crawlability, being the best answer, and authority. Here is what actually moves the needle in 2026, in priority order.

1. Let Anthropic’s crawlers in — both of them

Anthropic uses distinct user agents for distinct jobs, and if you block them you opt out of being cited. Treat both as first-class:

ClaudeBot — Anthropic’s crawler that gathers content which can inform the training corpus. Allowing it is how Claude comes to “know” your brand even with web search off.
Claude-Web / Claude-User — the agents that fetch pages live when a person’s question triggers web search. 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, it favors sources that directly and credibly answer the question and that are easy to quote accurately. Claude is notably conservative about citing — it would rather attribute a clean, verifiable passage than a vague one. 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)

Because Claude is cautious, credibility and corroboration carry real weight: it prefers sources it can recognize as trustworthy and that are echoed elsewhere. This is also what gets your facts into Claude’s training knowledge over time.

Organization + Person JSON-LD on every page, with sameAs links 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. Claude rewards content that is itself well-sourced.

4. Earn a place in the training corpus

Much of what Claude can cite 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) — blocking it guarantees you stay out of that corpus.

5. Stay fresh and accessible

For anything time-sensitive, recency tips Claude’s live search toward you — and accessibility makes sure the fetch succeeds:

Show visible published / updated dates and keep dateModified current.
Keep pages fast and mobile-perfect with content in the HTML, not hidden behind interaction.

Why Claude is different from the others

ChatGPT leans on the Bing index, Gemini and AI Overviews on Google’s, and Perplexity on its own retrieval — each with somewhere to “submit.” Claude has no public 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. Do that and you serve all four engines at once.

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.

Run the free audit →Generate the fixes →

How to get cited by Claude.