# Hydrogen Studies — robots.txt
# https://hydrogenstudies.com

User-agent: *
Allow: /
Allow: /study/
Allow: /blog/
Allow: /studies
Allow: /explore-by-condition/
Allow: /explore-by-body-system/
Allow: /explore-by-mechanism/
Allow: /explore-by-life-stage/
Allow: /explore-by-demographic/
Allow: /explore-by-delivery-method/
Allow: /explore-by-benefit/
Allow: /learn/
Allow: /search
Allow: /advanced-search
Allow: /about
Allow: /products
Allow: /recommendations
Allow: /contact

Disallow: /admin/
# Public read APIs stay crawlable: Google renders the JavaScript app, and a
# blocked data fetch renders an error page that Google files as "Soft 404"
# (2026-11-01: every blog guide was Soft 404). API responses carry
# X-Robots-Tag: noindex, so JSON is never indexed. Private APIs stay blocked.
Disallow: /api/admin/
Disallow: /api/me/
Disallow: /api/auth/
Disallow: /login
Disallow: /logout
Disallow: /reset-password

# Sitemaps
Sitemap: https://hydrogenstudies.com/sitemap-index.xml