From March 4, 2021, up until now, which is a period of 1 719 days, the availability of zero.no has been checked 6 times. According to the code 200 response from the most recent test, which was carried out on March 22, 2025, zero.no was online 6 times out of all checks. As of November 17, 2025, there was no downtime experienced by zero.no during the inspection process. As of November 17, 2025, there are no responses indicating an error status based on all received responses. The 0.511 seconds average contrasted zero.no's 0.155 seconds response on March 22, 2025.