/*
  X-Content-Type-Options: nosniff
  Referrer-Policy: strict-origin-when-cross-origin
  X-Frame-Options: DENY
  Strict-Transport-Security: max-age=31536000; includeSubDomains
  Permissions-Policy: geolocation=(), microphone=(), camera=()

# HTML must never be reused by the edge: without s-maxage=0 a deployed change
# can keep serving the previous page from cache, and we have no purge token.
/
  Cache-Control: public, max-age=0, s-maxage=0, must-revalidate

/*.html
  Cache-Control: public, max-age=0, s-maxage=0, must-revalidate
