Auto Refresh Lite

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Auto Refresh Lite",
  "icons": {
    "16": "icons/icon-16.png",
    "20": "icons/icon-20.png",
    "24": "icons/icon-24.png",
    "32": "icons/icon-128.png",
    "48": "icons/icon-48.png",
    "64": "icons/icon-64.png",
    "128": "icons/icon-128.png",
    "256": "icons/icon-256.png",
    "512": "icons/icon-512.png"
  },
  "version": "2.0",
  "author": "pragmatechdev",
  "description": "Auto refresh a list of web pages after any number of seconds.",
  "options_page": "options/options.html",
  "permissions": [
    "storage",
    "tabs"
  ],
  "browser_action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "20": "icons/icon-20.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  }
}