_headers

# Cloudflare Pages _headers
# Security headers, cache control, and performance hints for freedevtool.org

# Default — applies to all paths
/*
  Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
  X-Frame-Options: DENY
  X-Content-Type-Options: nosniff
  Referrer-Policy: strict-origin-when-cross-origin
  Permissions-Policy: camera=(), microphone=(), geolocation=(), interest-cohort=()
  Content-Security-Policy: default-src 'self'; script-src 'self' 'unsafe-inline' https://www.googletagmanager.com https://www.google-analytics.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com; font-src 'self' https://fonts.gstatic.com; img-src 'self' data: blob: https:; connect-src 'self' https://www.google-analytics.com https://cloudflare-dns.com https://*.google-analytics.com; frame-ancestors 'none'; base-uri 'self'; form-action 'self'
  Cache-Control: public, max-age=600, stale-while-revalidate=86400

# HTML pages — short cache so updates propagate quickly
/*.html
  Cache-Control: public, max-age=600, stale-while-revalidate=86400

# Stylesheets — versioned via ?v= query string, safe to cache aggressively
/*.css
  Cache-Control: public, max-age=2592000, immutable

# JavaScript — same as CSS
/*.js
  Cache-Control: public, max-age=2592000, immutable

# Static assets — favicons, SVGs, fonts
/favicon.svg
  Cache-Control: public, max-age=2592000, immutable

/og-image.svg
  Cache-Control: public, max-age=2592000, immutable

# Sitemap and robots — moderate cache
/sitemap.xml
  Cache-Control: public, max-age=3600
  Content-Type: application/xml; charset=utf-8

/robots.txt
  Cache-Control: public, max-age=14400
  Content-Type: text/plain; charset=utf-8

# llms.txt — AI-readable site index, moderate cache
/llms.txt
  Cache-Control: public, max-age=14400
  Content-Type: text/plain; charset=utf-8

/llms-full.txt
  Cache-Control: public, max-age=14400
  Content-Type: text/plain; charset=utf-8