1 times the operability of prf.cn was checked during the 772 day interval beginning on October 16, 2022. Throughout the entirety of tests, prf.cn operated successfully 1 times, with the last uptime on October 16, 2022, returning a code 200. Reviews indicated no occurrences of downtime for prf.cn as of November 26, 2024. All the replies received confirm that as of November 26, 2024, there was no reply with an error status. Data indicates 4.287 seconds response time for prf.cn on October 16, 2022, against 4.287 seconds average.