Sign-in-china.com underwent 5 uptime tests during the 1 118 day time frame starting on October 27, 2021. Sign-in-china.com's last known uptime on March 20, 2024, provided a code 200 response, operational 5 times during the course of all checks. As of November 18, 2024, every inspection of sign-in-china.com indicated that there were no offline periods. Records indicate that as of November 18, 2024, no error status codes had been found in any of the received responses. Data indicates sign-in-china.com's 2.940 seconds response time on March 20, 2024, against a 2.853 seconds average.