In the 413 day period that started on October 7, 2023, ctf.com.cn was checked for availability 32 times. In 30 of the tests that were conducted, ctf.com.cn returned a code 200 in response, the most recent uptime occurring on October 11, 2024. Tests carried out on ctf.com.cn showed that there were no instances of inactivity as of November 23, 2024. The error instance that occurred on February 8, 2024, with code 403, is the most recent out of the 2 instances of error. On October 11, 2024, 2.278 seconds contrasted the 1.261 seconds average response time of ctf.com.cn.