Examine source code of Simple Website Blocker

{
  "manifest_version": 2,
  "name": "Site Blocker",
  "version": "1.0.3",
  "description": "Block websites based on unwanted content and URLs - Powered by AeziChain",
  "icons": {
    "16": "icons/logo.png",
    "32": "icons/logo.png",
    "48": "icons/logo.png",
    "128": "icons/logo.png"
  },
  "permissions": [
    "activeTab",
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content_scripts/removePage.js"
      ],
      "run_at": "document_start"
    }
  ],
  "browser_action": {
    "default_icon": "icons/logo.png",
    "default_title": "Site Blocker",
    "default_popup": "popup/block_by_content.html"
  },
  "author": "AeziChain",
  "homepage_url": "https://AeziChain.org/",
  "browser_specific_settings": {
    "gecko": {
      "id": "{a1bd2d21-90f8-4a0c-9656-6f12f3d64803}"
    }
  }
}