Examine source code of Piarprofi

{
  "version": "2",
  "name": "Piarprofi",
  "description": "Заработок и продвижение",
  "manifest_version": 2,
  "icons": {
    "128": "images/icon.png"
  },
  "content_scripts": [
    {
      "js": [
        "jquery.js",
        "content.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "run_at": "document_end"
    }
  ],
  "background": {
    "scripts": [
      "jquery.js",
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Piarprofi",
    "default_icon": "images/icon.png",
    "default_popup": "popup.html"
  }
}