Examine source code of SiteZap

{
  "manifest_version": 2,
  "name": "SiteZap — Element Remover & Ad Blocker",
  "description": "Remove ads, popups & distractions with one click. Persistent per-site rules. Dark mode included.",
  "version": "1.1.0",
  "icons": {
    "16": "icon/16.png",
    "48": "icon/48.png",
    "128": "icon/128.png"
  },
  "homepage_url": "https://poundingwater.com/site-zap/",
  "permissions": [
    "storage",
    "activeTab"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "sitezap@poundingwater.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "background": {
    "persistent": false,
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "SiteZap",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true,
      "run_at": "document_start",
      "js": [
        "content-scripts/content.js"
      ]
    }
  ]
}