From January 19, 2022, through the following 1 039 days, 4 availability checks of fms21.ru were conducted. Fms21.ru was operational 4 times during the total checks, with the most recent uptime on August 11, 2024, returning a code 200. No instances of inoperability occurred on fms21.ru based on inspections made as of November 24, 2024. Based on the received responses, there have been no errors reported as of November 24, 2024. Fms21.ru has an average response time of 0.158 seconds, and on August 11, 2024, it was 0.133 seconds.