WatchSumo monitors your website uptime, and sends your email, webhook or Slack alerts when there is a problem.
Cost / License
- Subscription
- Proprietary
Application types
Platforms
- Software as a Service (SaaS)


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, Windows, Self-Hosted and Linux apps. The best UptimeRobot alternative is Better Stack Uptime, which is free. Other great apps like UptimeRobot are Uptime Kuma, StatusCake, Tianji and Pingdom.
WatchSumo monitors your website uptime, and sends your email, webhook or Slack alerts when there is a problem.



EpicPing is an uptime monitoring service that checks to see whether your site is up and running and alerts you if it isn't.

Server Monitoring and Down Alerts made easy! WIndows, Linux & macOS Monitor servers easily and receive alerts on CPU, RAM or downtime.

At UptimeObserver.com, we specialize in comprehensive website monitoring and web infrastructure monitoring. Our mission is to empower website owners and administrators with the tools they need to ensure their online presence remains consistently reliable and responsive.



Founded in February 2002, WatchMouse is a global industry leader in self-service website and application performance monitoring.


Pingmeter developed to work, so you can rest. You might have a great website, shop or blog. so do your competitor. And they get your visitors when your site is down. It is stressful to have your website down and you get aware of it few hours after your visitors.




Testomato allows you to create tests in seconds so you can take control of your website's performance. Errors are checked from multiple locations to ensure accuracy. Monitor uptime performance as often as every 15 seconds!




Statsignal is the simplest and most cost-effective way to monitor your website or server and publish a status page of your system. No plans, pay as you go. Free monitors available.




Honeybadger is an application health monitoring tool built by developers for developers. It's everything you need to keep production happy—and nothing you don't.




Monitive is an uptime monitoring service, where users sign up and input their website address, which we check every minute, from a random location around the world, and instantly notify them when their site is down.




Single tool that monitors all aspects of websites, including availability, domain, certificate, security and script errors.


Europe based has a generous free plan.