Helios/_headers at main · FTHTrading/Helios · GitHub

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# ☀ Helios OS — Netlify Edge Headers
# Aggressive caching for static assets, security headers for all pages

# All pages — security
/*
  X-Content-Type-Options: nosniff
  X-Frame-Options: DENY
  X-XSS-Protection: 1; mode=block
  Referrer-Policy: strict-origin-when-cross-origin
  Permissions-Policy: camera=(), microphone=(), geolocation=()

# HTML pages — short cache so updates deploy fast
/
  Cache-Control: public, max-age=300, stale-while-revalidate=600

# CSS/JS — cache hard (immutable until next build)
/static/css/*
  Cache-Control: public, max-age=31536000, immutable

/static/js/*
  Cache-Control: public, max-age=31536000, immutable

# Images — cache hard
/static/img/*
  Cache-Control: public, max-age=31536000, immutable