From December 9, 2020, through the following 1 449 days, 3 availability checks of yamada-udon.co.jp were conducted. Yamada-udon.co.jp has received 3 successful responses (code 200) during all check attempts, with the most recent access occurring on November 22, 2024. Testing shows that there have never been any inoperability issues with yamada-udon.co.jp as of November 27, 2024. As a result of the replies received as of November 27, 2024, it was confirmed that none of them had error status. According to records, on November 22, 2024, yamada-udon.co.jp responded in 3.908 seconds, as opposed to an average of 3.752 seconds.