Examine source code of Email Unfo

{
  "name": "Email Unfo",
  "short_name": "EmailUnfo",
  "version": "1.4",
  "manifest_version": 2,
  "description": "Be secure and protected. Get information about all data breches",
  "homepage_url": "https://thegoldenstep.com",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "permissions": [
    "tabs",
    "http://*/*",
    "https://*/*"
  ],
  "browser_action": {
    "default_title": "Email Unfo"
  },
  "background": {
    "scripts": [
      "js/jquery.min.js",
      "js/background.js"
    ],
    "persistent": true
  }
}