Core Web Vitals Inspector

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Core Web Vitals Inspector",
  "description": "Find scrips that bring down your Core Web Vitals scores",
  "version": "1.0",
  "options_page": "options.html",
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*/*",
        "http://*/*"
      ],
      "js": [
        "js/lodash-debounce-custom.js",
        "js/vitals.js"
      ]
    }
  ],
  "background": {
    "scripts": [
      "js/vendor.js",
      "js/background.js"
    ],
    "persistent": true
  },
  "web_accessible_resources": [
    "js/web-vitals.js",
    "js/vitals.js"
  ],
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "tabs",
    "storage",
    "http://localhost:5000/",
    "http://*/*",
    "https://*/*",
    "https://www.googleapis.com/pagespeedonline/v5/runPagespeed?*"
  ],
  "content_security_policy": "script-src 'self' https://www.googleapis.com; object-src 'self'"
}