Free for up to 3 websites
Know when your site goes down. Instantly.
Free uptime monitoring that lives in your browser toolbar. Get alerts in seconds, not minutes.
uptimeguard.dev/dashboard
Uptime
99.98%
Avg Response
144ms
Monitors
3/3 up
acme-store.com
142msapi.acme-store.com
89msdocs.acme-store.com
203msAlert Resolved
acme-store.com is back up after 2m 14s downtime
99.98% uptime
How It Works
Install Extension
Add the Chrome extension with one click.
Add Your URL
Enter the website you want to monitor.
Get Alerts
Receive instant notifications when your site goes down.
Everything You Need
Uptime Monitoring
Checks your websites every 30 seconds to 5 minutes.
Response Time
Track response times and identify slowdowns.
Instant Alerts
Email and push notifications within seconds.
Check Your Website Now
Enter any URL to instantly check if it's up or down.
Start Monitoring Today
Free for up to 3 websites. No credit card required.
Free for up to 3 websites. No credit card required.