Hosted website and server monitoring that detects downtime, visual regressions, SSL issues, DNS changes, performance slowdowns, and content changes.

Oh Dear is described as 'Is website monitoring software for whole-site website health, not just the homepage' and is a Uptime Monitor service in the network & admin category. There are more than 50 alternatives to Oh Dear, not only websites but also apps for a variety of platforms, including SaaS, Self-Hosted, Android and iPhone apps. The best Oh Dear alternative is Uptime Kuma, which is both free and Open Source. Other great sites and apps similar to Oh Dear are Better Stack, UptimeRobot, Pingdom and Monytra.
Hosted website and server monitoring that detects downtime, visual regressions, SSL issues, DNS changes, performance slowdowns, and content changes.

Ultralight open source server monitoring agent, written in Rust. Ships CPU, RAM, disk and network metrics over OTLP to any compatible backend.
Uptime Monitor by Daiz WebApps is an affordable, easy-to-use website uptime monitoring tool built specifically for Australian small businesses, freelancers, and web agencies.

Standard uptime monitors like UptimeRobot only tell you if your server is turned on (returning a 200 OK status). But what happens when a bad plugin update breaks your "Add to Cart" button? Your server stays online, your monitor stays green, and you silently lose sales.




CronAlert is an uptime monitoring SaaS built entirely on Cloudflare Workers, D1, and Cron Triggers. We monitor your websites, APIs, and scheduled tasks every minute and send instant alerts through email, Slack, Discord, Microsoft Teams, Telegram, PagerDuty, webhooks, and push...
Uptime monitoring and public status pages for indie SaaS founders - 1-minute checks, Slack/Discord/Telegram alerts, and custom domains. Free to start.