Examine source code of SERP Rank Marker — Topvisor

{
  "manifest_version": 3,
  "name": "__MSG_name__",
  "version": "1.0.140",
  "default_locale": "ru",
  "description": "__MSG_description__",
  "homepage_url": "https://topvisor.com/",
  "browser_specific_settings": {
    "gecko": {
      "id": "plnkpibenfnalbonffhlgleoldpcjijb@chrome-store-foxified-unsigned"
    }
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "icons": {
    "16": "16x16.png",
    "32": "32x32.png",
    "48": "48x48.png",
    "128": "128x128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.ya.ru/*",
        "*://*.yandex.ru/*",
        "*://*.yandex.ua/*",
        "*://*.yandex.kz/*",
        "*://*.yandex.by/*",
        "*://*.yandex.uz/*",
        "*://*.yandex.com.tr/*",
        "*://*.yandex.com/*",
        "*://*.google.com/*",
        "*://*.google.ru/*",
        "*://*.google.us/*",
        "*://*.google.de/*",
        "*://*.google.nl/*",
        "*://*.google.no/*",
        "*://*.google.pl/*",
        "*://*.google.sk/*",
        "*://*.google.si/*",
        "*://*.google.fi/*",
        "*://*.google.fr/*",
        "*://*.google.cz/*",
        "*://*.google.ci/*",
        "*://*.google.ch/*",
        "*://*.google.se/*",
        "*://*.google.rs/*",
        "*://*.google.dk/*",
        "*://*.google.es/*",
        "*://*.google.it/*",
        "*://*.google.co.uk/*",
        "*://*.google.at/*",
        "*://*.google.be/*",
        "*://*.google.bg/*",
        "*://*.google.hu/*",
        "*://*.google.gr/*",
        "*://*.google.com.cy/*",
        "*://*.google.com.mt/*",
        "*://*.google.com.ph/*",
        "*://*.google.hr/*",
        "*://*.google.me/*",
        "*://*.google.mn/*",
        "*://*.google.com.tr/*",
        "*://*.google.co.nz/*",
        "*://*.google.com.au/*",
        "*://*.google.by/*",
        "*://*.google.kz/*",
        "*://*.google.tm/*",
        "*://*.google.co.uz/*",
        "*://*.google.com.ua/*",
        "*://*.google.kg/*",
        "*://*.google.md/*",
        "*://*.google.com.tj/*",
        "*://*.google.az/*",
        "*://*.google.am/*",
        "*://*.google.ge/*",
        "*://*.google.co.il/*",
        "*://*.google.co.in/*",
        "*://*.google.co.th/*",
        "*://*.google.com.hk/*",
        "*://*.google.co.kr/*",
        "*://*.google.co.jp/*",
        "*://*.google.co.bw/*",
        "*://*.google.cm/*",
        "*://*.google.lv/*",
        "*://*.google.lt/*",
        "*://*.google.ee/*",
        "*://*.google.ae/*",
        "*://*.google.com.eg/*",
        "*://*.google.ca/*",
        "*://*.google.com.mx/*",
        "*://*.google.com.ar/*",
        "*://*.google.com.br/*",
        "*://*.google.pt/*",
        "*://*.google.ro/*",
        "*://*.bing.com/*",
        "*://*.google.com.pe/*",
        "*://*.google.cl/*"
      ],
      "js": [
        "jquery-3.3.1.min.js",
        "init.js"
      ],
      "run_at": "document_start"
    }
  ],
  "action": {
    "default_title": "__MSG_name__",
    "default_icon": "32x32.png",
    "default_popup": "popup.html"
  }
}