updown.io is a HTTP monitoring solution with a clean UI and a cheap and simple pricing. It notifies you of downtimes by email or SMS and provides a public status page you can share.


HostTracker is described as 'Monitoring sites and servers from 300+ locations with alerts by email, SMS, voice, messengers, plus SSL, domain, blacklist, and content checks' and is a website monitoring tool in the network & admin category. There are more than 100 alternatives to HostTracker for a variety of platforms, including Web-based, SaaS, Windows, Linux and Self-Hosted apps. The best HostTracker alternative is Uptime Kuma, which is both free and Open Source. Other great apps like HostTracker are UptimeRobot, Kener, Pingdom and Down For Everyone Or Just Me?.
updown.io is a HTTP monitoring solution with a clean UI and a cheap and simple pricing. It notifies you of downtimes by email or SMS and provides a public status page you can share.


Monitor your website, REST API, SSL, Domain, Server, Port. Free 5 monitors. Checked every 5 minutes.
Get alerted if your website is down via email, teams, webhook etc.


Check your domain’s health in seconds. Domain Comfort scans SSL, DNS, and email setup for issues. It's built for calm, fast, and reliable monitoring.




Free uptime monitor with health scoring, anomaly detection, rich incident logs, push notifications, Discord & Slack webhooks, and public status pages.




Global website monitoring: 5 monitors included, 60-second checks, 70+ locations. Uptime, latency, SSL, DNS & more with instant alerts.



IsZDown monitors the downtime of thousands of applications, websites, and services across the world including SAAS services, internet, phone, electricity, apps, and websites that go down and apps that aren’t working.


StablePing is a fully managed uptime monitoring service for just $3.95/month. Whenever your website goes down, their system will alert you within seconds via email or SMS (and they'll work with you to get it back online).
EzUptime is a website uptime monitoring solution that provides real-time monitoring, instant alerts, and detailed performance analytics to ensure your website remains online and reliable.

Aepto is an AI domain monitoring platform that centralizes all your domains in one place and continuously monitors renewals, email, hosting, security, uptime, and costs with early alerts and clear guidance.




Get notified by the simplest uptime monitoring service in the world, when your website is down or your certificate becomes invalid. No more, no less.


Unlimited monitors checked from multiple location every minute. Monitor any port or setup a "heartbeat" that works well for cron jobs or any service behind a firewall. Be alerted as soon as your service is offline via email or app integration.

Pingoscope will carefully monitor your website and alert you instantly if it goes down. Unlimited email SMS, Skype, Phone Call notifications, historical response time data, one minute check intervals data and more features available for free as well as no limit accounts for...
