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Which websites block ChatGPT-User?

ChatGPT-User is OpenAI's crawler that fetches a page when a ChatGPT user asks about it. Of the 1,278 popular websites we checked, 152 (12%) block it completely and 901 restrict some paths. 205 sites name it explicitly in robots.txt.

How to block or allow ChatGPT-User

# block
User-agent: ChatGPT-User
Disallow: /

# allow
User-agent: ChatGPT-User
Allow: /

Blocking ChatGPT-User can keep your pages out of OpenAI's AI answers and citations. Check your robots.txt.

Sites that block ChatGPT-User (152)

Popular sites that allow ChatGPT-User

What is ChatGPT-User?

ChatGPT-User is operated by OpenAI. According to OpenAI's documentation, it fetches a page when a ChatGPT user asks about it.

How many websites block ChatGPT-User?

152 of the 1278 popular websites in our directory (12%) block it completely in robots.txt.

Should I block ChatGPT-User?

Only if you don't want OpenAI's AI answers to read or cite your pages. Most businesses that want to be recommended by AI assistants allow it.