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 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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ZnowPulse
Bring endpoint checks and incident communication into one hosted workspace. ZnowPulse monitors websites, APIs and servers using HTTP/S, TCP, ping, DNS, keyword and certificate checks. Its Nexus Points summarize related monitors so teams can follow the health of a service. The dashboard also supports incident handling, scheduled maintenance and configurable alert destinations. Start free with unlimited monitors checked every five minutes, a 30-day history, one user and one Nexus Point. An annual Pro subscription costs US$59.99 and enables intervals down to ten seconds, team access, public status pages, more Nexus Points, report exports and S3-compatible backups. Explore a prepared sample workspace at the product website. Monitoring intervals describe plan capabilities; they do not guarantee detection times or uptime. ZnowPulse is operated by ZnowSoft.
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Larm
Larm is a comprehensive uptime monitoring solution that evaluates websites, APIs, and services from various global locations, alerting users only when multiple checks verify an issue. This approach of multi-location verification significantly reduces the occurrence of false positives commonly found in other monitoring systems.
The platform provides support for various monitoring types, including HTTP, TCP, DNS, SSL certificate, and heartbeat/cron checks. Each HTTP check delivers an extensive request waterfall, encompassing critical metrics such as DNS resolution, TCP connection time, TLS negotiation, time to first byte, and data transfer duration, equipping users with the insights needed to troubleshoot performance challenges rather than merely indicating downtime.
Every subscription tier comes with status pages, even the free version, which are displayed as static HTML and hosted via a CDN to ensure accessibility even when your systems are offline. Paid plans additionally allow for custom domain usage, email subscriber notifications, automated incident updates, and the organization of components into groups.
Alerts can be dispatched through more than 13 different channels, ensuring that you receive timely notifications in your preferred manner. With its robust features and user-friendly interface, Larm stands out as an essential tool for maintaining optimal website and service performance.
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