Oh Dear vs Checkly

Monitor your whole website, not just whether it's up

Oh Dear goes beyond basic uptime pings — it monitors SSL certificate expiry, broken links, DNS changes, scheduled tasks, and application health from one dashboard. Built by two developers from Antwerp as a hobby project in 2017, it's been self-funded and profitable ever since.

Monitoring for the modern DevOps stack

Checkly lets you monitor your APIs and web apps at scale. Synthetic monitoring, API checks, and browser checks with Playwright — from code.