Is it down?

Check whether a service is down and its availability.

Down for everyone or just you?

Your connection, DNS, whether it answers from your browser and its official status, with a verdict and next steps.

Live service status

Microsoft 365, AWS, Google, Cloudflare, GitHub, Slack, ChatGPT and 60 more on one screen.

Availability (SLA) calculator

99.9% = 8 h 45 min of downtime a year. Check whether you comply this month and compute serial or redundant systems.