nist.gov

Data analysis indicates that 450 uptime tests were performed for nist.gov in the 1 742 days that followed January 31, 2021. In response, on November 4, 2025, nist.gov, which has been operational for 450 times during all conducted checks, returned a code 200. Reviews conducted as of November 8, 2025, revealed that nist.gov did not experience any instances of unavailability. No response with an error status was reported, as per replies received as of November 8, 2025. Nist.gov's 1.017 seconds reply on November 4, 2025, contrasted its 0.827 seconds average response time.