During the 1 253 days from June 14, 2021, until now, qttr.at's operability has been checked 9 times. Qttr.at responded with a code 200 on December 18, 2021, the latest of 6 times the site was operational based on total checks performed. During the most recent check on November 12, 2024, qttr.at experienced downtime in 3 instances or 33.33% of checks performed. As of November 19, 2024, all responses have been confirmed to be error-free, according to received replies. On November 12, 2024, qttr.at replied in — seconds and had an average response time of 1.702 seconds.