1. With website monitoring from Pingdom you will be the first to know when your website is down. No installation required. 30-day free trial.

  2. StatusCake | Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring

  3. Free Website Uptime Monitoring

  4. Uptime & performance monitoring for websites and APIs.

  5. Downtime Monkey: website downtime alerts & uptime monitoring worldwide.

  6. RapidSpike is an uptime and performance monitoring service for websites and web applications.

  7. PingTurk is a cloud-based platform to monitor website from many locations and behind different networks, reporting on customers experience.

  8. updown.io is a HTTP(S)/TCP/ICMP monitoring service which checks periodically the URL you want and reports back any anomaly.

  9. Netformx helps Cisco partners & Solution Providers deliver multi-vendor IT solutions quickly & effectively while improving profitability & customer success.

  10. AlertBot provides availability and performance monitoring from an end user perspective.

  11. Pingometer is a service that monitors the uptime, downtime, and performance of websites. Get 24/7 monitoring - sign up for your FREE account today!

  12. Port Monitor is an easy tool that does website and server monitoring 24/7 every 60 seconds for free. It records uptime, performance and downtime causes