18 tests were conducted on the operability of nrf.is over the 2 141 days starting on March 4, 2019. Last recorded uptime on June 21, 2024, returning a code 200, nrf.is was online 18 times from the complete assessments done. Throughout all checks conducted as of January 13, 2025, there were no periods of inactivity for nrf.is. According to records, all responses were received without any error status codes as of January 13, 2025. Nrf.is's response time was recorded at 0.161 seconds, with an average of 0.565 seconds, as of June 21, 2024.