Never miss downtime again
Errno monitors your websites 24/7, tracking uptime, SSL certificates, and domain expirations. Get instant Discord alerts when something needs your attention.
- Websites monitored
- 2,450+
- Alerts sent
- 89k+
- Uptime average
- 99.9%
- Response time
- <250ms
Everything you need to stay online
Comprehensive monitoring tools designed for developers, teams, and agencies.
Uptime Monitoring
Check your websites as often as every minute. Get detailed reports on availability, response time, and incidents.
SSL Certificate Tracking
Never let your SSL certificates expire. Get warned weeks in advance with automatic daily checks.
Domain Expiration Alerts
Track domain expiration dates and WHOIS data. Receive timely alerts before your domains expire.
Discord Integration
Real-time notifications sent directly to your Discord server. Configure channels and alert preferences easily.
Detailed Analytics
Beautiful charts and statistics showing uptime percentages, response times, and incident history over 30 days.
Public Status Pages
Share your uptime status with customers via beautiful, branded public status pages. Build trust through transparency.
Simple, transparent pricing
Start monitoring for free. Upgrade anytime for faster checks and more sites.
Free
Perfect for personal projects and testing
- Up to 5 websites
- Check interval: 5 minutes
- 30 days of history
- Discord notifications
- SSL & domain tracking
- Public status pages
Premium
For professionals and growing teams
- Unlimited websites
- Check interval: down to 1 minute
- 90 days of history
- Priority Discord notifications
- Advanced SSL & domain checks
- Custom branded status pages
- API access (coming soon)
- Priority support
Ready to start monitoring?
Join thousands of developers who trust Errno to keep their websites online. Sign up with Discord in seconds.