DownNotifier.com Alternatives

Free Website Uptime Monitoring

freemium $5.5 / Monthly (Pro Account)

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

paid Free Trial $164.45 / Annually (Starter)

Website Uptime Monitoring & Alerts – Free Unlimited Downtime Monitoring

Uptime & performance monitoring for websites and APIs.

Downtime Monkey: website downtime alerts & uptime monitoring worldwide.

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

RapidSpike is a reliability, performance and security monitoring service for transactional websites. Using next-generation synthetic monitoring & deeper than ever before data, RapidSpike is for businesses serious about protecting their online revenue

paid Free Trial £25.0 / Monthly

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

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

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

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

Affordable uptime monitoring service for webmasters and website owners. Have your website or server checked every minute and get alerted instantly.

paid Free Trial $5.99 / Monthly (1 check)

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