The total availability checks of oao.ac.jp over the past 1 390 days beginning September 14, 2021, reached 3. With a code 200 response, oao.ac.jp showcased operability 1 times, the most recent instance on May 28, 2025, out of all the conducted checks. When reviewed, oao.ac.jp was found to be offline 2 times out of total checks, equivalent to 66.67%, including as recently as September 15, 2021. As of July 6, 2025, no error responses had been noted in the replies that were received. Oao.ac.jp, on May 28, 2025, had a response time of 2.802 seconds, compared to its average of 2.802 seconds.