About UptimeRobot
UptimeRobot is the uptime monitoring service used by 3.4M+ users to keep websites and services online. It checks HTTP(S) endpoints, SSL certificates, ports, and cron jobs in real time and sends alerts via web and mobile, with public status pages to communicate outages.

Key Features
For teams trying to guard uptime across web assets and critical services, UptimeRobot provides real-time monitoring and alerts that fit lightweight to mid-size needs:
Website monitoring
Monitor any HTTP(s) endpoint or page.
Keyword monitoring
Get alerted if a keyword appears or disappears.
Ping monitoring
Ensure servers or devices in the network remain reachable.
Public status pages
Share downtime status with customers and stakeholders.
Summary
Best for developers, SREs, and small operations teams monitoring websites, APIs, and services.