Broken Link Checker

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Broken Link Checker",
  "version": "1.0.9",
  "description": "The Easiest Way to find all broken links (404 errors) on the web page. Find more! Save more!",
  "background": {
    "service_worker": "js/background.bundle.js"
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "js/content-script.bundle.js"
      ]
    }
  ],
  "icons": {
    "128": "icon128.png"
  },
  "action": {
    "default_icon": "icon16.png"
  },
  "permissions": [
    "storage",
    "declarativeNetRequest"
  ],
  "host_permissions": [
    "http://*/*",
    "https://*/*"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "img/*"
      ],
      "matches": [
        "*://*/*",
        "*://*/*"
      ]
    }
  ]
}