Counting 1 759 days from November 18, 2020, there were 127 checks done on sdo.vsu.by's availability. Throughout the whole testing period, sdo.vsu.by was up 13 times, the most recent uptime was on January 29, 2022, when a code 200 was returned. For 112 of the total assessments, sdo.vsu.by was unavailable, equivalent to 88.19%, with the last occurrence on September 12, 2025. The error instance that occurred on December 13, 2021, with code 502, is the most recent out of the 2 instances of error. On September 12, 2025, for sdo.vsu.by recorded a response time of — seconds, with an average of 1.323 seconds.