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UptimeRobot
Free uptime monitoring for hobby projects with HTTP, ping, port, and keyword checks.
Use Cases
Monitor 50 personal projects and hobby sites from a single free account
Track uptime for client websites with simple email alerts when services go down
Free Tier
50 monitors, 5-minute checks, HTTP/ping/port/keyword monitoring
How to Maximize the Free Tier
UptimeRobot's 50 free monitors are the most generous in the monitoring space — use them liberally. The 5-minute check interval means you won't catch blips under 5 minutes, but that's fine for hobby projects. Alerts are email-only on the free tier (no SMS or push), so set up email-to-Slack forwarding for faster notification. Skip UptimeRobot for client-facing status pages — you'll need a separate service for that.
Getting Started
Sign up → add URL → choose monitor type (HTTP, ping, port) → set keyword to check for → done. Alerts sent to email. 50 monitors included on free tier.
Pros
- Monitor count: 50 monitors on the free tier — the most generous monitor allowance of any uptime monitoring service
- Setup simplicity: Add a URL and get alerts — no agents, no configuration, no complex setup required
- Check types: Supports HTTP, ping, port, and keyword monitoring — covers the essential monitoring use cases
Cons
- Check interval: 5-minute check interval is the slowest among free tiers — a full 2 minutes slower than Better Stack
- Outdated UI: The interface feels dated compared to modern alternatives like Better Stack — clunky navigation
- No status pages: No status page functionality on the free plan — you'll need to use a separate service for that