Examine source code of Untrack Me

{
  "manifest_version": 2,
  "name": "UntrackMe",
  "short_name": "UntrackMe",
  "description": "Removes the part of the URLs that is used to track you on the web",
  "icons": {
    "128": "icon-128.png"
  },
  "web_accessible_resources": [
    "icon-128.png"
  ],
  "version": "1.4.2",
  "author": "qurb.xyz",
  "homepage_url": "https://credizian.gitlab.io/untrackme/",
  "incognito": "not_allowed",
  "browser_action": {
    "default_icon": "icon.png",
    "default_title": "Protecting you from being tracked",
    "default_popup": "popup.html"
  },
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "options_ui": {
    "page": "options.html",
    "chrome_style": true
  },
  "permissions": [
    "<all_urls>",
    "webRequest",
    "webRequestBlocking",
    "notifications",
    "storage"
  ]
}