During the 1 392 day period beginning on June 9, 2021, a total of 2 availability checks of serie.co.jp were performed. Analyses reveal serie.co.jp had 2 instances of uptime from checks conducted, the latest on December 15, 2021, with a 200 code. All testing performed of serie.co.jp as of April 2, 2025, found zero instances of inoperability. As of April 2, 2025, no errors have been encountered according to all received responses. The recorded response time on December 15, 2021, for serie.co.jp was 0.517 seconds, while the average response time is 1.266 seconds.