How monitoring works

The method behind every alert – written so you can trust it.

3 articles

From a failed check to a confirmed outage

Why a single failure never wakes you up.

12 Views

Warnings that are not outages

Expiring certificates and domains, DNS changes – told once, never paged.

12 Views

Heartbeat monitors for cron jobs and backups

Your job pings us. Silence is the alarm.

11 Views

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