Website performance monitoring displaying the load times for various components of the site. Plans start at $23/mo.




Checkly is described as 'Provides a better way to monitor your API endpoints and browser click flows from a single, simple dashboard' and is a Uptime Monitor service in the development category. There are more than 50 alternatives to Checkly, not only websites but also apps for a variety of platforms, including SaaS, Mac, Windows and Linux apps. The best Checkly alternative is Uptime Kuma, which is both free and Open Source. Other great sites and apps similar to Checkly are UptimeRobot, Pingdom, soapUI and Quimonit.
Website performance monitoring displaying the load times for various components of the site. Plans start at $23/mo.




Check your domain’s health in seconds. Domain Comfort scans SSL, DNS, and email setup for issues. It's built for calm, fast, and reliable monitoring.




Free uptime monitor with health scoring, anomaly detection, rich incident logs, push notifications, Discord & Slack webhooks, and public status pages.




Global website monitoring: 5 monitors included, 60-second checks, 70+ locations. Uptime, latency, SSL, DNS & more with instant alerts.



Unlimited monitors checked from multiple location every minute. Monitor any port or setup a "heartbeat" that works well for cron jobs or any service behind a firewall. Be alerted as soon as your service is offline via email or app integration.

StablePing is a fully managed uptime monitoring service for just $3.95/month. Whenever your website goes down, their system will alert you within seconds via email or SMS (and they'll work with you to get it back online).
Turn downtime into happy customers. The complete system status platform: incident management and system monitoring in one. Bring transparency to your users with beautiful, customizable status pages hosted securely external from your infrastructure.


It is an All-In-One Site Monitoring & SEO Tool that Reports site Performance, Monitoring Key aspects from Server Health to Domain Expiry, Title text and Website Uptime with instant Alerts to any Issues.








An honest status page that shows your historical downtime in full and lets your customers trust your service more by seeing exactly what your uptime is.

PingRelay monitors your services and instantly alerts you when something breaks so you can respond before users are impacted.

ApiChecker is reliable uptime and performance monitoring for your service. It uses different servers around the world to verify your service/API/WebSite performance and uptime ?! We also provide different way to keep you notified about downtime - it can be SMS , Slack, Email...



