1 tests were conducted on the operability of miku-39.jp over the 1 192 days starting on September 19, 2021. The checks held as of December 24, 2024, indicated the unavailability or technical challenges of miku-39.jp. When reviewed, miku-39.jp was found to be offline 1 times out of total checks, equivalent to 100.00%, including as recently as September 19, 2021. According to status reports, all responses obtained as of December 24, 2024, were free from error codes. Miku-39.jp's average response time is 0.001 seconds, and on September 19, 2021, it was — seconds.