Oh Dear

Oh Dear is an all-in-one monitoring tool for your websites. It checks uptime, certificate expiration, and broken links, alerting the right people as soon as problems occur. With servers worldwide and the ability to monitor an unlimited number of websites, Oh Dear helps you stay on top of your online presence with just a few clicks.

• Website uptime monitoring with global checks that alert you seconds after issues are detected.
• Notifications across channels: email, SMS, Slack, Discord, Opsgenie, PagerDuty, Microsoft Teams, Pushover, webhooks, etc.
• Continuous certificate monitoring with renewal alerts.
• Broken page & mixed content detection via site crawling.
• Performance monitoring with historical trends and alerts.
• Lighthouse SEO monitoring for ongoing optimization.
• Domain monitoring (expiry) and DNS monitoring.
• Application health monitoring (disk space, queues, external APIs).
• Public status pages hosting for incident communication.
• Scheduled task monitoring (cron jobs and Windows tasks).
• Ping monitoring and TCP port monitoring.
• AI monitoring (coming soon) for verifying forms, content, APIs, or custom checks.
• Describing what to monitor via plain English input (AI-based checks).

• All-in-one monitoring platform: avoid juggling multiple tools.
• Global, multi-location checks reduce false positives and catch issues fast.
• Actionable alerts with detailed diagnostics and copy-paste curl commands.
• Public status pages reduce support load and improve transparency.
• Flexible notification channels and automation to fit your workflow.
• External monitoring with no agents required and minimal footprint.

• 10-day free trial with no payment details.
• Starting price €15/month for up to 5 websites (Oh Dear vs competitors shows €15/month for up to 5 sites).
• Billed monthly or yearly (pricing shown in EUR).
• Includes all features, unlimited users, status pages, full API access, and more.
• No credit card needed to start the trial.