UptimeRobot is an uptime monitoring service based in Slovakia. Besides checking that websites stay reachable, it monitors cron jobs, so you find out when a scheduled task fails to run, and it keeps an eye on SSL certificates.
A Slovak operator makes it a European alternative to the American monitoring services, and the mix of checks covers most of what a small operations team needs. It suits developers and site owners who want alerts for sites, jobs and certificates in one place.
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