There were 3 uptime checks conducted for klass39.ru in the 1 152 days after September 23, 2021. With the most recent uptime occurring on March 17, 2024, klass39.ru returned a 200 status code and was up 3 times out of all checks. No unavailability periods occurred on klass39.ru, according to inspections made as of November 19, 2024. Error statuses in the responses that were received haven't been reported as of November 19, 2024. At 0.824 seconds, klass39.ru's March 17, 2024, response contrasted with its average of 1.033 seconds.