Dom Size Analyzer

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Dom Size Analyzer",
  "description": "Google Chrome DevTools Extension for analyzing DOM size",
  "version": "1.25",
  "permissions": [
    "*://*/*"
  ],
  "devtools_page": "devtools.html",
  "web_accessible_resources": [
    "injectable.js"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "contentScript.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "backgroundScript.js"
    ],
    "persistent": false
  }
}