LCP & CLS Monitor

Core Web Vitals Largest Contentful Paint and Cumulative Layout Shift Monitor

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manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "LCP & CLS Monitor",
  "description": "Core Web Vitals Largest Contentful Paint and Cumulative Layout Shift Monitor",
  "version": "1.01",
  "manifest_version": 3,
  "permissions": [
    "storage",
    "scripting",
    "webNavigation"
  ],
  "host_permissions": [
    "http://*/",
    "https://*/"
  ],
  "background": {
    "service_worker": "background.js"
  },
  "action": {
    "default_popup": "index.html",
    "default_icon": {
      "16": "/images/logo-16.png",
      "32": "/images/logo-32.png",
      "48": "/images/logo-48.png",
      "128": "/images/logo-128.png"
    }
  }
}