From December 9, 2020, through the following 1 441 days, 2 availability checks of yamada-udon.co.jp were conducted. Yamada-udon.co.jp has received 2 successful responses (code 200) during all check attempts, with the most recent access occurring on November 16, 2024. Testing shows that there have never been any inoperability issues with yamada-udon.co.jp as of November 19, 2024. As a result of the replies received as of November 19, 2024, it was confirmed that none of them had error status. According to records, on November 16, 2024, yamada-udon.co.jp responded in 5.139 seconds, as opposed to an average of 3.674 seconds.