In the time frame of 2 224 days since August 16, 2019, the report shows open.kattis.com passed 2 availability checks. Out of all tests conducted, open.kattis.com was up 2 times, the last time on August 16, 2019, when a code 200 has been returned. As of September 18, 2025, evaluations revealed no instances of open.kattis.com's inoperability. As of September 18, 2025, all received replies confirm that there have been no responses with an error status. Open.kattis.com's August 16, 2019, 0.301 seconds response contrasted the 0.300 seconds average response time.