Between November 16, 2020, and the 1 854 day after, sirus.su had a total of 90 availability checks performed. Operating successfully 66 times in all tests, sirus.su's last recorded uptime on September 15, 2023, returned a code 200. It was revealed that 3.33% of checks resulted in sirus.su being inaccessible, occurring 3 times total, most recently on January 2, 2021. The most current error recorded from the 21 responses with errors was code 403 on December 11, 2025. Contrasting with an average of 0.978 seconds, sirus.su showed a response time of 0.026 seconds on December 11, 2025.