The total uptime checks of upper.jp performed in the 1 days from November 22, 2024, reached 1. Upper.jp was experiencing issues with availability or otherwise at each check performed as of November 23, 2024. As of November 23, 2024, no periods of inactivity were found for upper.jp throughout all checks. Among the 1 replies that included errors, the most recent error (coded as 404) occurred on November 22, 2024. The recorded response time on November 22, 2024, for upper.jp was 2.273 seconds, while the average response time is 2.273 seconds.