Examine source code of URLVoid Checker

{
  "manifest_version": 2,
  "name": "URLVoid Checker",
  "version": "1.0",
  "description": "Checks a given url on UrlVoid and returns if there are any detections. Quick and Easy",
  "permissions": [
    "tabs",
    "storage",
    "scripting",
    "https://www.urlvoid.com/*"
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{3c15fd52-a9e4-4739-ac06-a56bdcac35e3}"
    }
  }
}