Detect WordPress themes & plugins

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Detect WordPress themes & plugins",
  "short_name": "WP Detective",
  "version": "1.0",
  "description": "The easiest way to detect themes and plugins from WordPress and WooCommerce sites!",
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "permissions": [
    "tabs",
    "http://*/",
    "https://*/"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "browser_action": {
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "run_at": "document_end",
      "matches": [
        "http://*/",
        "https://*/"
      ],
      "js": [
        "injected.js"
      ]
    }
  ]
}