4nsf.gov's availability checks had carried out over the past 51 days, starting on November 20, 2024. In 4 of the tests that were conducted, nsf.gov returned a code 200 in response, the most recent uptime occurring on January 4, 2025. As of January 10, 2025, assessments had not shown any instances of nsf.gov's non-functionality. As of January 10, 2025, it is evident from all received responses that no errors have been encountered. On January 4, 2025, nsf.gov's response time was recorded as 1.991 seconds, with an average of 1.903 seconds.