Uptime Monitoring
Best Uptime Monitoring 2025
Monitor website uptime and performance.
1
Updown.io
Pay-per-check monitoring.
4.6(920)
$15/100k
HTTP checksSSL monitoringPay per useWebhooksAPIPublic status
Pay per use
Simple
Affordable
Basic features
Less integrations
Best for: Budget monitoringVisit Site
2
Checkly
API and browser monitoring.
4.6(580)
Free
API monitoringBrowser checksPlaywrightAlertingCI/CDDashboards
Modern approach
Playwright
Developer friendly
Complex
Learning curve
Best for: API monitoringVisit Site
3
UptimeRobot
Simple uptime monitoring.
4.5(5,800)
Free
50 monitors freeMultiple check typesAlertsStatus pagesAPIMobile
Great free tier
Simple
Reliable
Basic features
Limited free alerts
Best for: Most websitesVisit Site
4
Pingdom
Website monitoring.
4.4(3,200)
$10/mo
UptimePage speedTransactionsAlertsRUMReports
Established
Transaction monitoring
RUM
Expensive
Solarwinds owned
Best for: Enterprise websitesVisit Site