In the time frame of 1 147 days beginning August 30, 2022, instu.ru's availability was checked 19 times. 15 times instu.ru was available out of the total checks performed, with the most recent uptime on October 19, 2025, returning a code 200. During 1 times out of the tests, or 5.26% 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 October 19, 2025, for instu.ru recorded a response time of 0.120 seconds, with an average of 0.470 seconds.