There were 5 times over a 640 day period from February 21, 2023, that 501st.ru was checked for availability. According to the tests performed, 501st.ru was accessible a total of 2 times, with the most recent uptime on March 26, 2023, returning a code 200. 60.00% of checks performed found 501st.ru to be down, occurring 3 times, with June 6, 2024, being the latest. As of November 23, 2024, there are no recorded instances of error status codes, according to the responses that were received. The recorded — seconds on June 6, 2024, contrasted 501st.ru's 0.081 seconds average response time.