UptimeRobot is a website monitoring service with a forever free plan that lets you register with just an email and monitor up to 50 websites, servers, or keywords with 5-minute intervals. Setup takes only a few clicks.
For faster checks and advanced features, paid plans offer 1-minute or 30-second intervals, along with SSL certificate, domain expiry, and heartbeat (cron job) monitoring. You can also create up to 100 status pages, customize them to match your brand, protect them with a password, and allow subscribers to receive updates.
Get notified instantly via email, SMS, voice calls, or integrations with Slack, Zapier, PagerDuty, Splunk On-Call, Telegram, Webhooks, Discord, Mattermost, Pushbullet, Microsoft Teams, Google Chat, Pushover, and more. Mobile push notifications are available through the iOS and Android apps.
Other features include maintenance windows, incident tracking with root cause analysis, tags, comments, and filters. Share account with other team members.
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Overmonitor is cloud-based infrastructure, website, and endpoint monitoring built for teams that want fast setup without enterprise complexity. Monitor websites, servers, processes, Windows services, event logs, uptime, response time, SSL certificates, and internal network health from a lightweight 2.1 MB agent that reports a heartbeat every minute. Configure checks quickly, target monitoring by city-level geography, define maintenance windows that actually suppress noise, and receive alerts through push notifications and audible dashboards. Overmonitor includes process rollups, embeddable performance graphs, endpoint health visibility, and flexible à la carte pricing so you only pay for the monitoring you need. Use Overmonitor to detect outages, analyze website performance, track server availability, and improve end-user experience before small issues become downtime.
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C9 Pharos
C9Pharos is a comprehensive website and web application monitoring platform that provides real-time insights and proactive alerts to ensure optimal site performance and availability. It continuously monitors website uptime, functionality, and user experience by simulating real user interactions and detecting issues before they impact end-users. C9Pharos offers multi-location monitoring, enabling businesses to check their websites' responsiveness and availability from different regions around the world. It includes advanced synthetic monitoring, allowing users to create complex, scripted tests to monitor critical workflows, transactions, and APIs. With instant alert notifications via email, SMS, and other channels, C9Pharos ensures that teams are immediately informed of any downtime or performance degradation. It also provides detailed analytics and reporting tools, helping businesses analyze trends, identify recurring issues, and improve overall site reliability.
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