UptimeRobot
The ultimate uptime monitoring service. Get 50 monitors with 5-minute checks completely free. Set up in seconds and stay informed about your website’s health at all times.
Website monitoring: Get instant alerts when your website goes down. Reliable and accurate monitoring helps you fix issues before they affect users and prevent revenue loss.
SSL certificate monitoring: Avoid losing visitors due to expired SSL certificates. Get notified 30 days before expiration so you can renew in time.
Ping and port monitoring: Check if your server is online or if your email service is running on port 465. Monitor any port you need with real-time alerts.
Cron job monitoring: Track scheduled tasks with heartbeat monitoring. We verify if the request arrives on time, making sure server-side jobs and internet-connected devices are running properly.
Status pages: Create up to 100 branded status pages, protect them with a password, and allow subscribers to receive updates.
Stay informed with email, SMS, voice calls, push notifications, or integrations with Slack, Zapier, PagerDuty, Telegram, Discord, Microsoft Teams, Google Chat, and more.
Maintenance windows: Pause monitoring when you schedule downtime to avoid unnecessary alerts
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Uptime.com
Uptime.com website monitoring solutions provide unmatched visibility and availability, empowering engineering, operations and SRE teams to monitor & respond to their most essential services. Simple & intuitive industry leading Enterprise-grade features delivered at a fair price, that are continuously improving.
G2, Sourceforge and TechRadar Pro have recognized us as one of the world’s best uptime monitors for several consecutive years, including this one. Try 100% free.
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Pingometer
Pingometer is a leading service that tracks the uptime, downtime, and performance metrics of websites. It guarantees continuous monitoring to keep your site operational at all times, making it the top choice for website uptime oversight. The platform supports a variety of monitoring methods, including HTTPS, HTTP, RUM, ICMP, DNS, POP3, IMAP, SMTP, UDP, TCP, and API transactions. Key functionalities encompass intelligent alerts, a REST API, round-the-clock surveillance, comprehensive reporting, and various additional features. With Pingometer, you can rest assured that your website's performance is in capable hands.
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CloudRadar Monitoring
CloudRadar provides professional monitoring solutions. It monitors all public and private servers, networks, devices, cloud and websites.
CloudRadar promises rapid deployment using guided configuration and the best-practice alert types. CloudRadar's notification tool alerts users immediately of outages and other issues. It uses 7 different channels to send alerts. CloudRadar's notification feature allows users to set unlimited checks per host and can customize alert thresholds.
CloudRadar was designed to provide a simple and uncluttered interface that covers all important monitoring metrics. It is intended for System Admins as well as IT managers. This allows them to monitor their entire infrastructure from one unified interface. They can also get deep insights into remote, office, or cloud resources.
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