Examine source code of Defixo

{
  "content_scripts": [
    {
      "js": [
        "content.js"
      ],
      "matches": [
        "https://join.zoho.in/*",
        "https://zoho.com/assist/join/*",
        "https://www.zoho.com/assist/join/*",
        "https://oty.com/*",
        "http://oty.com/*",
        "https://secure.logmeinrescue.com/*",
        "http://secure.logmeinrescue.com/*",
        "https://ultraviewer.net/*",
        "http://ultraviewer.net/*",
        "https://www.ultraviewer.net/*",
        "http://www.ultraviewer.net/*"
      ]
    }
  ],
  "description": "有害なウェブサイトへのアクセスをブロックします。",
  "manifest_version": 3,
  "name": "Defixo",
  "version": "1.0",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "action": {
    "default_icon": "icon16.png",
    "default_popup": "index.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "add-ons@defixo.app",
      "strict_min_version": "58.0"
    }
  }
}