UptimeRobot

UptimeRobot is a Slovak company offering an uptime monitoring service. According to its homepage, over 3.4 million users trust the service, which provides 50 free monitors, 20+ integrations, real-time alerts via web and mobile, and public status pages. It monitors uptime, SSL certificates, ports, and cron jobs in real time, with setup in minutes and instant alerts when something breaks. The service supports website monitoring of any HTTP(s) endpoint or page, keyword monitoring, ping monitoring, port monitoring for services like SMTP, POP3, and FTP, cron job monitoring, and DNS record monitoring. An Enterprise offering is available for those needing more than 500 monitors, including SLA reporting, SOC 2, DPA and MSA, custom invoicing, PO and net terms, onboarding, and a dedicated CSM. The homepage cites 4.7 stars out of 5 from 284+ reviews and states it is trusted by over 3.2 million developers and teams. Port monitoring checks any specific port on a server from 15+ global locations, supports any port including HTTPS, FTP, and SSH, and provides instant alerts via email, SMS, voice call, or integrations such as Slack, Zapier, and Splunk.

• Website monitoring

  Monitor any HTTP(s) endpoint or page.

• Keyword monitoring

  Get alerted if a keyword appears or disappears.

• Ping monitoring

  Make sure your server or any device in the network is always available.

• Port monitoring

  Useful for SMTP, POP3, FTP, and other services running on specific TCP ports.

• Cron job monitoring

  Know if a scheduled job fails or goes missing.

• DNS record monitoring

  Catch unauthorised DNS changes early.

1. 1UptimeRobot: Free Website Monitoring Serviceuptimerobot.com
2. 2Port Monitoring for Any Service | UptimeRobotuptimerobot.com
3. 3UptimeRobotwikidata.org