9.9%
of the world's top 1,000 sites block Perplexity-User
3.7%
of India's top 1,000 sites block Perplexity-User
From our study of 2,000 sites, 20 October 2026.
Allow or block Perplexity-User in robots.txt
robots.txt is a plain text file at the top of your site (yoursite.com/robots.txt). Add one of these groups. If Perplexity-User isn't mentioned at all, it follows your rules for all crawlers.
To allow it
User-agent: Perplexity-User Allow: /
To block it
User-agent: Perplexity-User Disallow: /
Perplexity says robots.txt may not apply to Perplexity-User, because it visits when a person asks for a page.
Questions
What is Perplexity-User?
Perplexity-User is run by Perplexity. Opens a page when a Perplexity user's question needs it.
Should I block Perplexity-User?
Usually leave it allowed. It only visits when a person asks the assistant about a page. Some companies say robots.txt may not apply to these visits.
How do I block Perplexity-User?
Add "User-agent: Perplexity-User" followed by "Disallow: /" to the robots.txt file at the top of your site. To allow it, use "Allow: /" instead, or simply don't mention it.
Does Perplexity-User follow robots.txt?
Perplexity says robots.txt may not apply to these visits, because they happen when a person asks for a page.
Other crawlers of this kind: ChatGPT-User, Claude-User. All crawlers.