There have been 17 tests conducted on zm.nu's uptime in the 2 104 days starting April 26, 2019, up until today. Responding with a 200 status code, zm.nu was operational 16 times, most recently on November 18, 2024, throughout every attempted check. During the most recent check on December 24, 2021, zm.nu experienced downtime in 1 instances or 5.88% of checks performed. As of January 28, 2025, there were no reported errors in any of the responses based on the replies received. On November 18, 2024, zm.nu showed a response time of 1.123 seconds, compared to an average response time of 1.245 seconds.