Examine source code of Webtrekk Tracker

{
  "name": "Webtrekk Tracker",
  "manifest_version": 2,
  "version": "1.2",
  "description": "See when Webtrekk events are being tracked.",
  "permissions": [
    "<all_urls>",
    "http://*/*",
    "https://*/*",
    "webRequest",
    "webRequestBlocking",
    "storage",
    "activeTab",
    "tabs"
  ],
  "content_scripts": [
    {
      "run_at": "document_end",
      "js": [
        "content.js"
      ],
      "css": [
        "web_content/ipopup.css"
      ],
      "matches": [
        "*://*/*"
      ],
      "all_frames": false
    }
  ],
  "options_ui": {
    "browser_style": false,
    "page": "options.html",
    "open_in_tab": false
  },
  "browser_action": {
    "browser_style": false,
    "default_popup": "popup.html",
    "default_icon": {
      "16": "webtrekk_logo16.png",
      "48": "webtrekk_logo48.png",
      "128": "webtrekk_logo128.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "applications": {
    "gecko": {
      "id": "{f7b687de-a9fc-47fc-b8a0-a101c416b9e1}"
    }
  },
  "web_accessible_resources": [
    "web_content/*.*",
    "web_content/pe-icon-7-stroke/css/*.*",
    "web_content/pe-icon-7-stroke/fonts/*.*"
  ]
}