17 tests were conducted on the operability of codeforces.com over the 1 387 days starting on January 31, 2021. In the course of 12 operational instances, codeforces.com's last uptime on June 10, 2024, returned a code 200, across conducted tests. The checks conducted as of November 18, 2024, did not find any downtime issues related to codeforces.com. November 18, 2024, marked the occurrence of the most recent error, with code 403, out of the 5 responses that encountered errors. Recorded at 0.091 seconds on November 18, 2024, codeforces.com's response time differed from its 0.196 seconds average.