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
      }
    }
  }
}