We alert you, before your customers do.
OnlineOrNot monitors your websites, web apps, and APIs, letting you know instantly if anything goes wrong.
Cost / License
- Freemium
- Proprietary
Application types
Platforms
- Software as a Service (SaaS)


Downdetector is described as 'Monitors over 3,000 services in 25 countries including telecommunication outages (internet, phone and TV service), online banking problems, websites that go down and apps that aren’t working' and is a Uptime Monitor service in the news & books category. There are more than 100 alternatives to Downdetector for a variety of platforms, including Web-based, SaaS, Linux, Self-Hosted and Android apps. The best Downdetector alternative is Uptime Kuma, which is both free and Open Source. Other great apps like Downdetector are UptimeRobot, Tianji, Kener and Pingdom.
We alert you, before your customers do.
OnlineOrNot monitors your websites, web apps, and APIs, letting you know instantly if anything goes wrong.


NodePing Server Monitoring and Web Site Monitoring. Simple but powerful Internet service monitoring. Checks as frequent as once a minute.



Is it down can check if a website is down or is it just your PC that can not access it. This AJAX website in United Kingdom can check for websites with time out errors, offline servers, dns errors, network issues, scheduled downtime, unscheduled down time and deleted domain...



PushMon is a new kind of cloud-based monitoring system. Instead of checking public facing servers on a regular basis, PushMon will wait for pings from the objects being monitored. These objects are usually batch jobs, scheduled/cron scripts, backups, or test scripts, but really...



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 monitoring service that offers a comprehensive free plan with:
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RapidSpike is a Digital Experience Monitoring Platform that interacts with your online platforms exactly as your customers do. It collects data across your digital ecosystem to help you improve a fast, reliable digital customer experience.




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.








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).
SIMPLE Website monitoring. If your website goes down, shouldnt YOU be the first to know about it?
Pingbreak is an original and free monitoring service. Get notified through Twitter if your website is down. Pingbreak checks all of your websites each minute and alert you instantly by Direct Message (DM)


