manifest.json

{
    "manifest_version": 3,
    "name": "AVD Percentage Viewer",
    "version": "1.0",
    "description": "View the Average View Duration of a Youtube video as a percentage. Useful for when you don't want to wait 2 days for the Youtube Analytics to update.",
    "icons": {
        "16": "images/red_arrow.png",
        "32": "images/red_arrow.png",
        "48": "images/red_arrow.png",
        "128": "images/red_arrow.png"
      },
    "permissions": [
        "activeTab",
        "storage"
    ],
      "content_scripts": [
        {
          "js": ["scripts/main.js"],
          "matches": [
            "https://studio.youtube.com/video/*/analytics/tab-interest_viewers/period-default"
          ],
          "run_at": "document_idle",
          "all_frames": true
        }
      ]
  }