With one-minute website uptime check intervals, and detailed downtime reporting to any device, Uptime.com monitoring offers effortless protection. Why check website availability manually when you can enjoy always-on website uptime monitoring? Our automated alerts dramatically reduce the time it takes to check website uptime and downtime and puts more time back in your day.
Pingbreak - Pingbreak is an original and free monitoring service.
UptimeRobot - Free Website Uptime Monitoring
DownDetector - A simple service to tell you whether a website is down.
Pingdom - With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.
Silent Down - Silent Down is a website uptime and performance monitoring platform - Get notified instantly if your site is down or having performance issues.
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring