Examine source code of The Washington Post

{
  "name": "The Washington Post",
  "description": "Stay informed with hand-picked stories from the editors of The Washington Post.",
  "icons": {
    "16": "wp-logo-16.png",
    "48": "wp-logo-48.png",
    "128": "wp-logo-128.png"
  },
  "version": "1.0",
  "chrome_url_overrides": {
    "newtab": "rainbow.html"
  },
  "permissions": [
    "https://www.google-analytics.com/*"
  ],
  "content_security_policy": "script-src 'self' https://www.google-analytics.com/; object-src 'self'",
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{3cc55964-5030-4707-a666-a50dd40252b6}"
    }
  }
}