UptimeRobot

UptimeRobot is the #1 uptime monitoring service on the market, with 50 monitors free forever and a mobile app that lets 3.2M+ users check site status from anywhere. Real-time multi-location checks catch outages before users notice, and instant alerts reach whatever channel you prefer without forcing a paid plan just to get notified.

Beyond basic HTTP pings, UptimeRobot supports HTTP(S), Ping, Port, Keyword, Cron job, and DNS monitoring with custom response-time thresholds and scheduled maintenance windows. A full role-based access control system, team incident management, and branded public status pages make it suitable for anything from a solo side project to an Enterprise rollout.

Key benefits:

• 50 free monitors forever with full features, no credit card required
• Six check types covering HTTP(S), Ping, Port, Keyword, Cron, and DNS
• 30-second intervals on Enterprise for near-real-time detection
• Role-based access control with granular permissions for large teams
• Native mobile app with push alerts and on-the-go dashboards
• 20+ integrations including Slack, Teams, Discord, PagerDuty, Zapier, and MCP
• Branded status pages with custom domains for customer-facing communication

Based in Slovakia, UptimeRobot operates under EU jurisdiction and GDPR — with SOC 2 and CCPA compliance available on the Enterprise tier — positioning it as a mature European alternative to Pingdom and Atlassian Statuspage for teams that want US-grade features without US-based data residency.

Trusted by 3.2M+ users with 4.7/5 from 265+ reviews, including Accenture, GitLab, Hewlett-Packard, IBM, Intel, Moody's, and Square.