Examine source code of TechsFound

{
  "manifest_version": 2,
  "name": "TechsFound",
  "description": "Find Running Technologies on Website, SSL certificate details, page loading time, clear cache and cookies",
  "version": "2.0.0",
  "default_locale": "en",
  "icons": {
    "16": "images/Icon-16.png",
    "32": "images/Icon-32.png",
    "72": "images/Icon-72.png",
    "152": "images/Icon-152.png"
  },
  "browser_action": {
    "default_title": "TechsFound",
    "default_popup": "popup/popup.html"
  },
  "background": {
    "scripts": [
      "js/techsfound.js",
      "js/background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "js/content.js"
      ],
      "run_at": "document_idle"
    },
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "js/performance.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "js/inject.js"
  ],
  "permissions": [
    "cookies",
    "tabs",
    "webRequest",
    "browsingData",
    "http://*/*",
    "https://*/*"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'"
}