# Fern Docs: Custom robots.txt - Canonical HTML: https://growth.iangoh.com/sources/fern-docs-custom-robots-txt-buildwithfern-com/ - Original source: https://buildwithfern.com/learn/docs/seo/robots-txt - Domain: buildwithfern.com - Latest check: 2026-06-08 - Channels: AI visibility, Brand Trust, SEO ## Cited GrowthDex tactics - [Fern custom robots policy before crawler ambiguity](/growth-ideas/fern-custom-robots-policy-before-crawler-ambiguity/) - Write an explicit `robots.txt` policy before assuming search engines and AI crawlers will interpret a default wildcard the way you meant. ## Related reading - [GrowthDex Blog](/blog/) - [All growth ideas](/growth-ideas/index.md)