PerplexityBot
AI search indexerPerplexity's crawler for building the search index behind its AI answer engine. Perplexity states it is used for search indexing and not for training foundation models.
| Operator | Perplexity |
| Type | AI search indexer |
| Respects robots.txt | Yes (documented) |
| Documentation | Official operator documentation |
PerplexityBot user-agent string
This is how PerplexityBot identifies itself in your server logs:
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko); compatible; PerplexityBot/1.0; +https://perplexity.ai/perplexitybotHow to block PerplexityBot in robots.txt
Add this to the robots.txt file at the root of your site:
Block PerplexityBot
User-agent: PerplexityBot
Disallow: /Explicitly allow PerplexityBot
User-agent: PerplexityBot
Allow: /What blocking changes: Your site is excluded from Perplexity's index and its cited answers, cutting off Perplexity referral traffic.
Want to decide for all AI bots at once? Use the AI robots.txt generator.
Other ai search indexers
- OAI-SearchBot (OpenAI)
- Claude-SearchBot (Anthropic)
- Googlebot (Google)
- Bingbot (Microsoft)
- Applebot (Apple)
- YouBot (You.com)
Is Perplexity sending you visitors?
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