Over the last 1 157 days beginning on September 29, 2021, the availability of sign.jp has been inspected 1 times. As of November 30, 2024, sign.jp was experiencing difficulties or was not accessible during all the checks conducted. Checks revealed that as of November 30, 2024, sign.jp has no service interruptions. The occurrence of error code 503 on September 29, 2021, marked the most current error within the 1 responses that had errors. On September 29, 2021, sign.jp replied in 0.918 seconds, against its 0.918 seconds average response time.