Downtime Cat monitors your website, and if it goes offline, sends you an email so you can fix it fast.
Cost / License
- Paid
- Proprietary
Application types
Platforms
- Online
- Software as a Service (SaaS)


UptimeLine is described as 'UpTimeLine checks that your websites are online and notifies you in case of downtime. Get up to 20 monitors checked every 5 minutes for free. All HTTP methods, custom body and headers, regex check on response body, SSL certificate monitoring and more' and is a Uptime Monitor service in the network & admin category. There are more than 50 alternatives to UptimeLine for a variety of platforms, including Web-based, SaaS, Self-Hosted, Windows and Linux apps. The best UptimeLine alternative is Uptime Kuma, which is both free and Open Source. Other great apps like UptimeLine are Better Stack, UptimeRobot, Tianji and Kener.
Downtime Cat monitors your website, and if it goes offline, sends you an email so you can fix it fast.


Proactively monitor your websites and online services. Receive immediate notification when a problem is detected so you can quickly resolve the root cause and prevent potential escalation.




We alert you, before your customers do.
OnlineOrNot monitors your websites, web apps, and APIs, letting you know instantly if anything goes wrong.


PageMon.net: we're watching!
Boring checking tons of sites for updates? Read updates in your feed reader!.
NodePing Server Monitoring and Web Site Monitoring. Simple but powerful Internet service monitoring. Checks as frequent as once a minute.



Website uptime monitoring. Be notified by email when your site is down. Free and open source, monitor as many URLs as you want. You can hack it and host it yourself or use the official instance.




Uptime Monitor monitors your resources using HTTP/HTTPS (highly customizable), TCP, or Ping protocols. It supports multiple notification channels such as SMS, email, Slack, and Discord. In addition, Uptime Monitor can host status pages on your own domain for free.


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.




Website & Web Application Monitoring
Dotcom-Monitor instantly alerts you when your website has problems. Detailed diagnostics enable you to take quick corrective action and see troubling trends, bottlenecks and intermittent issues clearly. We monitor externally, from the end.




Guardius is a Software as a Service (SaaS) company designed to streamline and automate various IT needs for companies that operate their own websites or manage their own infrastructure. It is crucial for companies to safeguard their websites and infrastructure against potential...




With webcron you pay per request and you can choose the monitoring frequency to your linking. When your website goes down, webcron can send you either an email or a text message (SMS).
