3 tests have been conducted on nchs.org's availability in the 1 418 days since February 23, 2021. Nchs.org was accessible 3 times, the last instance being on February 23, 2021, when a code 200 was received, out of the total checks performed. Nchs.org experienced zero downtime as of January 11, 2025, according to the checks. The reports indicate that, as of January 11, 2025, there are no errors in any of the received responses. Nchs.org replied in 1.865 seconds on February 23, 2021, while averaging a response time of 2.846 seconds.