SU Speed & Uptime WatchWebsite speed tests and uptime monitoring

Know about every outage before your customers do.

  • Websites, APIs, ports, DNS, certificates and cron jobs checked every 30 seconds
  • Outages confirmed by several probes - no alerts for one-second blips
  • E-mail, LINE, Teams, Slack, Discord, Telegram and webhooks, with escalation
  • Public status pages and monthly SLA reports in PDF

Sign in

Use your work e-mail address.

Run a free speed test without signing in.

Demo accounts - click to fill in. Password: Demo@2026! (unless your administrator changed it).