Over the 1 301 days starting September 8, 2021, ken-on.co.jp underwent 7 functioning checks, according to the data. Throughout the course of all assessments, ken-on.co.jp has been up 7 times, with the most recent code 200 response occurring on February 9, 2025. As of April 2, 2025, conducted checks indicate that there were no instances of ken-on.co.jp being unavailable. It was noted from the responses received that there were no error statuses recorded as of April 2, 2025. In contrast to the average of 5.119 seconds, ken-on.co.jp's response time on February 9, 2025, was 5.135 seconds.