WiFi speedtest & Internet Connection Test

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "version": "2.71",
  "name": "__MSG_extName__",
  "short_name": "__MSG_shortName__",
  "default_locale": "en",
  "options_page": "options.html",
  "background": {
    "page": "background.html",
    "persistent": true
  },
  "permissions": [
    "background",
    "storage",
    "idle"
  ],
  "offline_enabled": true,
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "simple-logo.png"
  },
  "chrome_url_overrides": {},
  "icons": {
    "128": "simple-logo.png"
  },
  "web_accessible_resources": [
    "content.styles.css",
    "simple-logo-xs.png",
    "no-internet.png",
    "simple-logo.png",
    "logo-bad-xs.png",
    "logo-bad.png",
    "logo-good-xs.png",
    "logo-good.png",
    "logo-ok-xs.png",
    "logo-ok.png",
    "logo-progress-xs.png",
    "logo-progress.png",
    "ndt-browser-client.js",
    "ndt-worker.js"
  ],
  "manifest_version": 2,
  "content_security_policy": "script-src https://cdnjs.cloudflare.com/ajax/libs/rollbar.js/2.4.6/rollbar.min.js https://ssl.google-analytics.com 'self' 'unsafe-eval'; object-src 'self'",
  "free_version": true
}