Sidebooks.jp passed 1 accessibility checks during the time frame of 1 164 days starting September 12, 2021. Reports from all checks indicate that sidebooks.jp was either inaccessible or encountered problems as of November 19, 2024. As of November 19, 2024, no inaccessibility incidents have been detected for sidebooks.jp in all tests. The analysis found 1 responses with errors, and the most recent error, coded as 403, was received on September 12, 2021. A response time of 2.060 seconds was recorded for sidebooks.jp on September 12, 2021, in contrast to the 2.060 seconds average response time.