Examine source code of AdSecurity

{
  "author": "PakCodeDT",
  "background": {
    "page": "background.html"
  },
  "browser_action": {
    "browser_style": false,
    "default_icon": {
      "64": "img/adsecurity-icon.svg"
    },
    "default_title": "AdSecurity",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "Firefox_for_adsecurity@pakcodedt",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "content_scripts": [
    {
      "world": "MAIN",
      "all_frames": false,
      "run_at": "document_start",
      "matches": [
        "*://www.youtube.com/*",
        "*://youtube.com/*",
        "*://m.youtube.com/*",
        "*://music.youtube.com/*",
        "*://tv.youtube.com/*"
      ],
      "js": [
        "js/youtube-motor/yt-adpruner.js"
      ]
    },
    {
      "all_frames": true,
      "world": "ISOLATED",
      "run_at": "document_start",
      "matches": [
        "*://*.youtube.com/*"
      ]
    },
    {
      "matches": [
        "*://www.youtube.com/*",
        "*://youtube.com/*",
        "*://m.youtube.com/*",
        "*://music.youtube.com/*"
      ],
      "js": [
        "js/youtube-motor/yt-splash.js",
        "js/youtube-motor/youtube-utils.js",
        "js/youtube-motor/youtube-engine.js"
      ],
      "run_at": "document_start",
      "all_frames": false
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "js/fake-site-popup.js"
      ],
      "run_at": "document_end",
      "all_frames": false,
      "world": "ISOLATED"
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "js/ad-empty-cleaner.js"
      ],
      "run_at": "document_end",
      "all_frames": true,
      "world": "ISOLATED"
    }
  ],
  "description": "Zararlı reklam dağıtan reklam plartformlarını engeller.",
  "icons": {
    "64": "img/adsecurity-icon.svg"
  },
  "manifest_version": 2,
  "name": "AdSecurity",
  "options_ui": {
    "open_in_tab": true,
    "page": "adsecurity-settings.html"
  },
  "permissions": [
    "alarms",
    "privacy",
    "storage",
    "tabs",
    "unlimitedStorage",
    "webNavigation",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "version": "1.9.91",
  "web_accessible_resources": [
    "redirect-warning.html"
  ]
}