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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Paessler PRTG
Paessler PRTG is an all-inclusive monitoring solution with an intuitive, user-friendly interface powered by a cutting-edge monitoring engine. It optimizes connections and workloads, reduces operational costs, and prevents outages. It also saves time and controls service level agreements (SLAs). This solution includes specialized monitoring features such as flexible alerting, cluster failover, distributed monitoring, maps, dashboards, and in-depth reporting.
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Statlix
Experience effortless website monitoring with integrated status pages through Statlix. This innovative distributed monitoring system offers immediate alerts to platforms like Slack and Zapier, ensuring your infrastructure remains highly available. Embrace the unpredictable with Statlix, which encourages a systematic and analytical approach to tracking website availability. Effortlessly set up uptime monitoring for all the URLs you oversee, allowing you to keep a close eye on their performance. Monitor in real-time and analyze daily uptime statistics that deliver precise insights into your website's performance levels. Ensure your site remains accessible, as Statlix has empowered numerous clients to enhance uptime affordably while minimizing outages. Stay informed of any status changes by customizing your status pages to alert users about scheduled maintenance and updates on ongoing fixes. Customers can opt-in to receive timely status notifications, ensuring they are always up-to-date. Additionally, you will receive detailed reports and alerts via email, SMS, RSS, custom WebHooks, or Slack, keeping you well-informed about any potential issues that may arise. By choosing Statlix, you invest in a reliable partner for maintaining optimal website performance.
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