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.
Monitority - Simple website monitoring service (sms/email alerts)
UptimeRobot - Free Website Uptime Monitoring
Suprvise - Know instantly when your sites are 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.
PingPing - A simple tool to monitor your website and SSL
StatusCake - Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring