The contra.cn's availability has been analyzed 3 times in the past 261 days, starting on May 14, 2024. In 3 instances of operability across all conducted checks, contra.cn's most recent uptime on May 14, 2024, returned a code 200. No interruptions in service were observed for contra.cn within the checks conducted as of January 31, 2025. Based on all replies received as of January 31, 2025, there have been no errors found in any responses. The response time of 0.001 seconds was recorded for contra.cn on May 14, 2024, while 0.001 seconds is the average.