Bytespider

AI Training Crawler ByteDance robots.txt behaviour unknown

ByteDance Bytespider web crawler bot

User-Agent

Mozilla/5.0 (iPhone; CPU iPhone OS 11_0 like Mac OS X) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/40.0.3754.1902 Mobile Safari/537.36; Bytespider

Allow Bytespider in robots.txt

User-agent: Bytespider
Allow: /

Block Bytespider in robots.txt

User-agent: Bytespider
Disallow: /

Blocking stops your content being used for model training. It does not remove you from AI search results — that's governed by separate search/assistant bots.

Official documentation: https://stackoverflow.com/questions/57908900/what-is-the-bytespider-user-agent

Is Bytespider blocked on your site — even by accident?

Free dual-engine check: robots.txt verdicts for all 222 bots plus live User-Agent probes. Finds WAF blocks your robots.txt doesn't show.