In the time period of 2 002 days from May 27, 2019, the data shows optrf.ru underwent 5 operability checks. From the entirety of checks conducted, optrf.ru was operable 5 times, with the most recent occurrence on November 18, 2024, resulting in a code 200 status. No instances of inaccessibility incidents were found for optrf.ru through all tests as of November 19, 2024. As of November 19, 2024, every response that was received has been reported to be error-free. Noted on November 18, 2024, was optrf.ru's 0.498 seconds response time, against a 0.736 seconds average.