In the time period starting December 15, 2021, and lasting 1 077 days, china21.com's availability was checked 5 times. China21.com has shown functionality in 5 out of all assessments, including the November 22, 2024, check returning a 200 code. No issues related to downtime were found throughout the assessments of china21.com as of November 26, 2024. Based on every response received, as of November 26, 2024, no error status codes have been reported. Data reveals 0.373 seconds as china21.com's response time on November 22, 2024, against 0.360 on average.