In the time frame of 1 401 days beginning August 30, 2022, instu.ru's availability was checked 24 times. 20 times instu.ru was available out of the total checks performed, with the most recent uptime on March 23, 2026, returning a code 200. During 1 times out of the tests, or 4.17% of the total, instu.ru was unavailable, the most recent downtime occurred on December 30, 2022. The last reported error, code 444, occurred on March 13, 2025, as part of the total 3 responses with errors. On March 23, 2026, for instu.ru recorded a response time of 0.359 seconds, with an average of 0.406 seconds.