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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Uptimia
Website performance monitoring service starting at 171 checkpoints worldwide, on six continents
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Overmonitor
Simplifying infrastructure and endpoint monitoring has never been easier! Following the discontinuation of Monitis after its acquisition by TeamViewer last year, we found ourselves in urgent need of an alternative solution. We explored various options, including Uptrends, Datadog, dotcom-monitor, CloudRadar, Pingdom, and Uptime, ultimately crafting our own solution with specific criteria in mind: a cloud-based SaaS platform, a compact and efficient agent, a quick setup interface, flexible pricing, effective maintenance windows, city-level geotargeting, embeddable graphs, real-time push notifications for alerts, comprehensive process monitors with rollup capabilities, and audible alerts on our dashboard. Central to our approach is a small, lightweight server agent, just 2.1 MB in size, which once installed and paired, initiates a "heartbeat" report every minute to our ingest API within your network. By leveraging this solution, users can effectively monitor, analyze, and enhance their website's performance along with the overall end-user experience, ensuring that all critical aspects are covered seamlessly. The combination of these features allows for a tailored approach to monitoring that meets diverse needs.
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