January 3, 2022, started the 1 060 day period in which istudy.su had 3 availability tests performed. Istudy.su was unavailable or facing other problems every time it was checked as of November 29, 2024. During the inspections carried out as of November 29, 2024, there were no instances of unavailability for istudy.su. On February 11, 2023, a response with code 520 was received, marking the most recent of 3 errors. The February 11, 2023, response time of 0.037 seconds for istudy.su differed from its average of 0.051 seconds.