From December 13, 2020, forward over the next 1 437 days, there were 4 checks done on istudy.ne.jp's uptime. Based on the latest checks, istudy.ne.jp was inaccessible or facing technical difficulties as of November 19, 2024. With the most recent downtime on August 3, 2024, istudy.ne.jp experienced 4 instances of unavailability, making up 100.00% of all checks conducted. As of November 19, 2024, the replies that were received indicated that there were no reported errors in the responses. On August 3, 2024, istudy.ne.jp replied in — seconds, differing from its average response time of 0.001 seconds.