Definition
PerplexityBot retrieves URLs in real time for Perplexity answers. Because Perplexity is the most directly-optimisable AI surface, ensuring PerplexityBot can reach your site is one of the highest-leverage GEO actions available.
Why it matters
PerplexityBot sits in the "Crawlers & infrastructure" layer of the AI search stack. Teams that handle it well get cited more, recommended more, and earn more of the AI-mediated revenue in their category. Teams that ignore it spend a year wondering why their content investment never moves the needle inside ChatGPT or Perplexity.
Related terms
- Perplexity - A dedicated answer engine that retrieves the web in real time and synthesises answers with inline citations.
- robots.txt - The decades-old file telling web crawlers what they can fetch. Used to allow or block GPTBot, ClaudeBot, PerplexityBot, Google-Extended, and others.
- Citation share - Percentage of cited sources in an LLM answer that come from your domain. Only meaningful on grounded surfaces (Perplexity, ChatGPT Search, AI Overviews).
Apply it
The LLM SEO playbook ties every concept in this glossary into a single operating model. If you want to see how your brand performs across all the LLMs at once - mention rate, citation share, sentiment, rank - start with the free GEO audit or skip straight to a free Livesov account.