All Systems Operational

Uptime over the past 90 days. View historical uptime.
Kattis Education Operational
90 days ago
99.74 % uptime
Today
Web Operational
90 days ago
99.74 % uptime
Today
Kattis Recruiting Operational
90 days ago
99.74 % uptime
Today
Web Operational
90 days ago
99.74 % uptime
Today
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.

No incidents or maintenance related to this downtime.

System Metrics Month Week Day
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Mar 17, 2026

No incidents reported today.

Mar 16, 2026

No incidents reported.

Mar 15, 2026
Network instability
Resolved - This incident has been resolved.
Mar 15, 21:37 CET
Monitoring - A fix has been implemented and we are monitoring the results.
Mar 15, 18:46 CET
Investigating - We are currently investigating this issue.
Mar 15, 18:22 CET
Mar 14, 2026

No incidents reported.

Mar 13, 2026
Network Maintenance
Completed - The scheduled maintenance has been completed.
Mar 13, 22:00 CET
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Mar 13, 19:00 CET
Scheduled - Kattis is planning network maintenance. We expect a couple of short (minute long) service outages while we reconfigure the network.
Mar 13, 17:57 CET
Mar 12, 2026

No incidents reported.

Mar 11, 2026

No incidents reported.

Mar 10, 2026
Kattis infrastructure is down
Resolved - This incident has been resolved.
Mar 10, 20:56 CET
Monitoring - We are restoring services, and verifying that everything is working as intended.
Mar 10, 19:30 CET
Identified - We have identified the issue, and we are in the process of restoring services.
Mar 10, 19:26 CET
Update - We are in the process of debugging the issue.
Mar 10, 18:31 CET
Update - We have staff on site now, and are debugging the issue. Next update in an hour.
Mar 10, 17:52 CET
Update - We are currently moving staff on site to continue troubleshooting the issue. We expect the next update in an hour.
Mar 10, 16:42 CET
Update - We are in contact with our service provider and trying to locate the failure. It seems to be BGP related. We expect the next update in an hour.
Mar 10, 15:40 CET
Investigating - We are investigating why Kattis is down. The infrastructure is not responding, and this seems to be a networking problem.
Mar 10, 14:03 CET
Mar 9, 2026

No incidents reported.

Mar 8, 2026

No incidents reported.

Mar 7, 2026

No incidents reported.

Mar 6, 2026

No incidents reported.

Mar 5, 2026

No incidents reported.

Mar 4, 2026

No incidents reported.

Mar 3, 2026

No incidents reported.

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