Oh Dear

It provides continuous monitoring of web sites, checking that they remain reachable, measuring response times, and detecting runtime errors. When a site becomes unavailable, slows down, or encounters an exception, the service records the event and sends alerts to the responsible team, enabling rapid investigation and remediation.

The tool is aimed at developers and operations personnel who need to ensure the reliability of their online services. By offering uptime tracking, performance metrics, and error detection in a single platform, it consolidates the essential aspects of website health monitoring into an automated workflow. Its stable release status indicates that the core monitoring and alerting features are production‑ready.