Primary Keyword Finder

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Primary Keyword Finder",
  "version": "2.0",
  "description": "Find the primary keyword of the page you are on.",
  "permissions": [
    "activeTab",
    "scripting"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "Primary Keyword Finder - Find the primary keyword of the current web page"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "background": {
    "service_worker": "serviceWorker.js"
  }
}