The operability of usirf.ru was checked 2 times during a period of 668 days, beginning on February 5, 2023. Throughout all tests performed, usirf.ru was functional 1 times, with the most recent uptime on February 5, 2023, giving a 200 code. Checks revealed that as of December 5, 2024, usirf.ru has no service interruptions. The error noted as code 404 on May 26, 2024, was the most current among the 1 responses encountered. 0.717 seconds was usirf.ru's recorded response time on May 26, 2024, contrasting the 1.714 seconds average.