{
  "name": "Security Headers Grader — HTTP Response Header Checker",
  "short_name": "Headers Grader",
  "description": "Paste HTTP response headers and get an A+ to F security grade with fix hints, plus a header generator for nginx, Apache, Caddy and _headers files.",
  "start_url": ".",
  "scope": "/",
  "display": "standalone",
  "background_color": "#0c1218",
  "theme_color": "#0c1218",
  "icons": [
    { "src": "favicon.svg", "sizes": "any", "type": "image/svg+xml" },
    { "src": "icon-192.png", "sizes": "192x192", "type": "image/png" },
    { "src": "icon-512.png", "sizes": "512x512", "type": "image/png" }
  ]
}