upsonar.io

Free Website Monitoring

Monitor 3 websites from multiple global regions — completely free. Uptime, SSL certificates, DNS records, domain expiry, and external dependencies. No credit card, no trial period. Free forever.

3 websites · Multiple regions · All monitoring types · Free forever

Everything Included in the Free Plan

3 Websites — Monitor up to 3 websites on the free plan. Add more anytime by upgrading.
Multiple Global Regions — Every check runs from monitoring nodes across North America, Europe, Asia, and Oceania simultaneously.
SSL Certificate Monitoring — Track certificate expiry with alerts at 30, 14, 7 days. Chain validation included.
Domain Expiry Monitoring — Automatic domain expiration tracking. Never lose a domain to a missed renewal.
DNS Record Monitoring — Track A, AAAA, CNAME, MX, NS, TXT record changes. Detect hijacking attempts.
Email & Telegram Alerts — Instant notifications when something breaks. Multi-region verified to prevent false alerts.
External Resource Detection — See what CDNs, scripts, and fonts your site loads. Sample of resources on free plan.
Incident Management — Automatic incident creation with diagnostics. Track, acknowledge, and resolve outages.

Free Plan Comparison

FeatureupsonarUptimeRobotBetter StackStatusCake
Free websites350*110
Check regionsMulti-region131
SSL monitoringIncludedPaid onlyIncludedPaid only
DNS monitoringIncludedNot availableNot availablePaid only
Domain expiryIncludedNot availableNot availableNot available
Dependency monitoringIncludedNot availableNot availableNot available

* UptimeRobot 50 monitors: single-region only, no SSL/DNS/domain monitoring on free plan. Compared February 2026 — features may have changed.

Try It Right Now — No Signup

Check any website's availability from multiple global regions. Instant results, completely free.

Frequently Asked Questions

Start Monitoring for Free

3 websites, multiple regions, all monitoring types. No credit card required. Set up in 30 seconds.

No credit card · No trial · Free forever

Last updated: February 2026