Jetpack Monitor checks your site every five minutes, and alerts you immediately if your site goes down, 24/7.
Jetpack Monitor gives you an easy way to monitor when your site goes offline. Once enabled, the Jetpack Monitor feature will ping your site every five minutes and send you an email if your site is down or offline.
To enable this feature, go to: Jetpack Settings > Security and enable Monitor. Make sure you have the correct email address configured with your account.
If you’re alerted to an issue with your site, contact your hosting company for support.
If you would like to receive a notification anytime your site is offline, try setting up Jetpack Monitor to give you a hand.