The operability of de-prism.jp was checked 4 times during a period of 1 258 days, beginning on June 21, 2021. With the last occurrence on August 21, 2021, when a code 200 was returned, de-prism.jp was up 4 times out of all the checks performed. Based on tests, there have been no reports of de-prism.jp becoming inoperable as of December 1, 2024. As of December 1, 2024, there were no reported errors in any of the responses based on the replies received. De-prism.jp's reply time was 1.547 seconds on August 21, 2021, in contrast to an average of 1.704 seconds.