Examine source code of Swetrix

{
  "name": "Swetrix",
  "version": "23.2.17",
  "description": "Swetrix Analytics Extension",
  "homepage_url": "https://swetrix.com",
  "manifest_version": 2,
  "minimum_chrome_version": "74",
  "browser_specific_settings": {
    "gecko": {
      "id": "extension@swetrix.com",
      "strict_min_version": "67.0"
    }
  },
  "icons": {
    "512": "icon.d32c28e4.png"
  },
  "permissions": [
    "cookies",
    "*://swetrix.com/*"
  ],
  "browser_action": {
    "default_icon": "icon.d32c28e4.png",
    "default_popup": "popup.0bdc5664.html"
  }
}