Oh Dear

Oh Dear is an all-in-one website monitoring tool designed to track the health, security, and discoverability of a website, providing instant notifications for various issues and facilitating easy incident management via Status Pages. Its extensive feature set includes Website Uptime Monitoring to track downtime, Performance Monitoring to ensure responsive resources, and specialized checks like Ping and TCP Port monitoring for server availability. For security, Oh Dear offers Continuous Certificate Monitoring, Broken Page & Mixed Content Detection, DNS Monitoring to track changes, and Domain Monitoring to prevent missed renewals. The platform also assists with site integrity and SEO through Scheduled Task Monitoring for cron jobs, Application Health Monitoring for internal application status, Lighthouse SEO Monitoring for core web vitals, and Sitemap Monitoring to ensure validity. Notifications can be received across multiple channels, and the tool includes an API for custom integrations.