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AssistantBlocking it costs you visibility

Perplexity-User

Fetches a page a Perplexity user explicitly pointed at.

robots.txt token
Perplexity-User
Powers
Perplexity live page reads
Honours robots.txt
PartiallyDocumentation

Allow it

User-agent: Perplexity-User
Allow: /

Block it

User-agent: Perplexity-User
Disallow: /

Need the whole file, with every crawler and your private paths — and the llms.txt to go with it? The generator writes them. AI config generator

User-Agent

Mozilla/5.0 (compatible; Perplexity-User/1.0; +https://perplexity.ai/perplexity-user) Crawlable/1.0; +https://crawlable.fr/probe

This is the string we send when probing. The Crawlable suffix identifies us in your logs.

Perplexity

Check your own site

robots.txt is only half the answer: your CDN can refuse Perplexity-User before it ever reads the file. A scan checks both.

Free, no account, about 5 seconds.