UptimeRobot

UptimeRobot is the most popular website monitoring service in the world. Currently we keep an eye on 7,500,000+ monitors for more than 2M+ users and companies.

A reliable monitoring service is a must today. Set an HTTP/S, ping, port, keyword, or heartbeat monitor and get notifications to your email, phone, Telegram, Slack, Twitter, Zapier, and others.