Monitrova
Monitors uptime, SSL, DNS and content changes and only alerts on confirmed issues
Monitrova checks uptime, SSL expiry, domain expiry, DNS changes, content changes and heartbeat pings for cron jobs, all on one timeline per site so you see the cause of an incident, not just the symptom. Alerts pass through a decision pipeline that defers non-critical issues for a second scan, bundles flapping issues into a daily digest, and logs every decision (sent, suppressed, deferred) with a reason — so a 3am false alarm doesn't fire. Built by one person who runs it on his own 16 sites, plans start free for one site and run €5.99 to €49.99/month for 3 to 200 sites.

What holds up
- +Alert pipeline logs every suppressed or deferred decision with a reason — no silent dropouts
- +Free plan includes all five extra watches (domain, DNS, content, assertions, heartbeats), not just uptime
- +Built and run by one person on his own 16 production sites — direct incentive to keep it accurate
Mind the limits
- −One-person project — support and continuity depend on a single maintainer
- −Tops out at 200 sites and 30-second checks; the vendor says larger fleets should use something else
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