Examine source code of ScrollJunky

{
  "icons": {
    "16": "icon16.plasmo.d9d20620.png",
    "32": "icon32.plasmo.45ff7c45.png",
    "48": "icon48.plasmo.4aa9c191.png",
    "64": "icon64.plasmo.51350ce8.png",
    "128": "icon128.plasmo.2ef36b0a.png"
  },
  "manifest_version": 3,
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "toolbar-icon-16.b38dfe2a.png",
      "32": "toolbar-icon-32.f05996b7.png",
      "48": "toolbar-icon-48.7ff54693.png",
      "128": "toolbar-icon-128.3fd9765a.png"
    }
  },
  "version": "0.5.0",
  "author": "HigaTsubasa (info@cofus.work)",
  "name": "__MSG_ext_name__",
  "description": "__MSG_ext_description__",
  "background": {
    "scripts": [
      "static/background/index.js"
    ]
  },
  "permissions": [
    "storage",
    "alarms",
    "unlimitedStorage"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://*/*"
      ],
      "js": [
        "scroll-tracker.3db6a64b.js"
      ],
      "run_at": "document_idle",
      "all_frames": true,
      "css": [],
      "exclude_matches": [
        "https://doubleclick.net/*",
        "https://*.doubleclick.net/*",
        "https://googlesyndication.com/*",
        "https://*.googlesyndication.com/*",
        "https://googletagservices.com/*",
        "https://*.googletagservices.com/*",
        "https://googletagmanager.com/*",
        "https://*.googletagmanager.com/*",
        "https://google-analytics.com/*",
        "https://*.google-analytics.com/*",
        "https://googleadservices.com/*",
        "https://*.googleadservices.com/*",
        "https://adservice.google.com/*",
        "https://*.adservice.google.com/*",
        "https://amazon-adsystem.com/*",
        "https://*.amazon-adsystem.com/*",
        "https://adnxs.com/*",
        "https://*.adnxs.com/*",
        "https://pubmatic.com/*",
        "https://*.pubmatic.com/*",
        "https://rubiconproject.com/*",
        "https://*.rubiconproject.com/*",
        "https://3lift.com/*",
        "https://*.3lift.com/*",
        "https://criteo.com/*",
        "https://*.criteo.com/*",
        "https://criteo.net/*",
        "https://*.criteo.net/*",
        "https://smartadserver.com/*",
        "https://*.smartadserver.com/*",
        "https://openx.net/*",
        "https://*.openx.net/*",
        "https://casalemedia.com/*",
        "https://*.casalemedia.com/*",
        "https://adsrvr.org/*",
        "https://*.adsrvr.org/*",
        "https://media.net/*",
        "https://*.media.net/*",
        "https://lijit.com/*",
        "https://*.lijit.com/*",
        "https://sharethrough.com/*",
        "https://*.sharethrough.com/*",
        "https://yieldmo.com/*",
        "https://*.yieldmo.com/*",
        "https://bidswitch.net/*",
        "https://*.bidswitch.net/*",
        "https://taboola.com/*",
        "https://*.taboola.com/*",
        "https://outbrain.com/*",
        "https://*.outbrain.com/*",
        "https://rlcdn.com/*",
        "https://*.rlcdn.com/*",
        "https://scorecardresearch.com/*",
        "https://*.scorecardresearch.com/*",
        "https://moatads.com/*",
        "https://*.moatads.com/*"
      ]
    }
  ],
  "default_locale": "en",
  "host_permissions": [
    "https://*/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "scrolljunky@cofus.work",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": [
          "technicalAndInteraction",
          "locationInfo"
        ],
        "access_details_page": false
      }
    }
  }
}