Site Blocker

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Site Blocker",
  "description": "A Chrome extension designed to block certain sites",
  "version": "1.7",
  "manifest_version": 3,
  "background": {
    "service_worker": "content.js"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.sites.google.com/*",
        "https://*.github.io/*",
        "https://unblocked-games.s3.amazonaws.com/*",
        "https://replit.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "blocked.html"
      ],
      "matches": [
        "https://*.google.com/*",
        "https://*.github.io/*",
        "https://unblocked-games.s3.amazonaws.com/*",
        "https://replit.com/*"
      ]
    }
  ],
  "icons": {
    "16": "hand16.png",
    "32": "hand32.png",
    "48": "hand48.png",
    "128": "hand128.png"
  }
}