UPSONAR.IO is an uptime monitoring service with a unique approach: we don't just ping your server - we parse your HTML and verify every external dependency.
Cost / License
- Freemium
- Proprietary
Application typeApplication types
Platforms
- Online




UptimeRobot is described as 'Monitor up to 50 sites with 5-minute intervals for free. Receive alerts by email, SMS, calls, and integrate with platforms for seamless updates' and is a very popular website monitoring tool in the network & admin category. There are more than 100 alternatives to UptimeRobot for a variety of platforms, including Web-based, SaaS, Self-Hosted, Windows and Linux apps. The best UptimeRobot alternative is Better Stack. It's not free, so if you're looking for a free alternative, you could try Better Stack or Uptime Kuma. Other great apps like UptimeRobot are Pingdom, Tianji, Kener and HetrixTools.
UPSONAR.IO is an uptime monitoring service with a unique approach: we don't just ping your server - we parse your HTML and verify every external dependency.




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