The total availability checks of oao.ac.jp over the past 1 319 days beginning September 14, 2021, reached 2. Oao.ac.jp encountered issues or was unavailable during all checks conducted as of April 26, 2025. When reviewed, oao.ac.jp was found to be offline 2 times out of total checks, equivalent to 100.00%, including as recently as September 15, 2021. As of April 26, 2025, no error responses had been noted in the replies that were received. Oao.ac.jp, on September 15, 2021, had a response time of — seconds, compared to its average of 0.001 seconds.