Examine source code of Load Less - Eco Mode for Video Streaming

{
  "manifest_version": 3,
  "name": "__MSG_extensionName__",
  "version": "1.0.4",
  "description": "__MSG_extensionDescription__",
  "default_locale": "en",
  "permissions": [
    "storage",
    "declarativeNetRequestWithHostAccess",
    "webRequest"
  ],
  "host_permissions": [
    "https://www.youtube.com/*",
    "https://youtube.com/*",
    "https://www.youtube-nocookie.com/*",
    "https://youtube-nocookie.com/*",
    "https://player.vimeo.com/*"
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_title": "__MSG_extensionName__",
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "background": {
    "scripts": [
      "constants.js",
      "embed-gating-background.js",
      "streaming-sites/settings-flow-background.js",
      "streaming-sites/netflix-background.js",
      "streaming-sites/disney-background.js",
      "streaming-sites/prime-background.js",
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "contact@loadless.org",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "websiteContent"
        ]
      }
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.youtube.com/*",
        "https://youtube.com/*"
      ],
      "js": [
        "constants.js",
        "youtube-content.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://www.youtube.com/embed/*",
        "https://youtube.com/embed/*",
        "https://www.youtube-nocookie.com/embed/*",
        "https://youtube-nocookie.com/embed/*"
      ],
      "css": [
        "streaming-suggestion.css"
      ],
      "js": [
        "constants.js",
        "youtube-embed-player.js"
      ],
      "run_at": "document_idle",
      "all_frames": true
    },
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "exclude_matches": [
        "https://www.youtube.com/*",
        "https://youtube.com/*",
        "https://www.youtube-nocookie.com/*",
        "https://youtube-nocookie.com/*",
        "https://www.twitch.tv/*",
        "https://vimeo.com/*",
        "https://www.netflix.com/*",
        "https://www.disneyplus.com/*",
        "https://www.primevideo.com/*",
        "https://www.amazon.fr/gp/video/*"
      ],
      "js": [
        "quality-selection.js",
        "constants.js",
        "video-embed-lite.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://vimeo.com/*"
      ],
      "js": [
        "constants.js",
        "streaming-sites/vimeo-native-provider.js",
        "streaming-quality-content.js"
      ],
      "run_at": "document_start"
    },
    {
      "matches": [
        "https://www.twitch.tv/*"
      ],
      "css": [
        "streaming-suggestion.css"
      ],
      "js": [
        "constants.js",
        "streaming-sites/twitch-provider.js",
        "streaming-quality-content.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://www.primevideo.com/*",
        "https://www.amazon.fr/gp/video/*"
      ],
      "css": [
        "streaming-suggestion.css"
      ],
      "js": [
        "constants.js",
        "streaming-sites/prime-content.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://www.primevideo.com/settings/playback*"
      ],
      "js": [
        "constants.js",
        "streaming-sites/prime-settings-content.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://www.netflix.com/*"
      ],
      "js": [
        "streaming-sites/media-source-meter.js",
        "streaming-sites/netflix-player.js"
      ],
      "run_at": "document_start",
      "world": "MAIN"
    },
    {
      "matches": [
        "https://www.netflix.com/*"
      ],
      "css": [
        "streaming-suggestion.css"
      ],
      "js": [
        "constants.js",
        "streaming-sites/data-usage-content.js",
        "streaming-sites/settings-flow-content.js",
        "streaming-sites/netflix-content.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://www.disneyplus.com/*"
      ],
      "js": [
        "streaming-sites/media-source-meter.js",
        "streaming-sites/disney-player.js"
      ],
      "run_at": "document_start",
      "world": "MAIN"
    },
    {
      "matches": [
        "https://www.disneyplus.com/*"
      ],
      "css": [
        "streaming-suggestion.css"
      ],
      "js": [
        "constants.js",
        "streaming-sites/data-usage-content.js",
        "streaming-sites/settings-flow-content.js",
        "streaming-sites/disney-content.js",
        "streaming-sites/disney-settings-content.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "https://www.netflix.com/settings/playback*",
        "https://www.netflix.com/HdToggle*"
      ],
      "js": [
        "constants.js",
        "streaming-sites/netflix-settings-content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "quality-selection.js",
        "youtube-player.js"
      ],
      "matches": [
        "https://www.youtube.com/*"
      ]
    },
    {
      "resources": [
        "youtube-embed-page.js",
        "icons/icon48.png"
      ],
      "matches": [
        "https://www.youtube.com/*",
        "https://youtube.com/*",
        "https://www.youtube-nocookie.com/*",
        "https://youtube-nocookie.com/*"
      ]
    },
    {
      "resources": [
        "streaming-sites/twitch-player.js",
        "icons/icon48.png"
      ],
      "matches": [
        "https://www.twitch.tv/*"
      ]
    },
    {
      "resources": [
        "quality-selection.js",
        "streaming-sites/vimeo-native-player.js"
      ],
      "matches": [
        "https://vimeo.com/*"
      ]
    },
    {
      "resources": [
        "icons/icon48.png"
      ],
      "matches": [
        "https://www.netflix.com/*"
      ]
    },
    {
      "resources": [
        "icons/icon48.png"
      ],
      "matches": [
        "https://www.disneyplus.com/*"
      ]
    },
    {
      "resources": [
        "icons/icon48.png"
      ],
      "matches": [
        "https://www.primevideo.com/*",
        "https://www.amazon.fr/*"
      ]
    },
    {
      "resources": [
        "embed-placeholder.html"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ]
    }
  ]
}