Halfdan.is's functioning was checked 5 times during the 1 414-day period beginning February 8, 2021. As one of 5 occurrences of uptime out of total checks, halfdan.is was functioning on July 20, 2021, receiving a 200 status code reply. As of December 23, 2024, there were no occurrences of downtime reported for halfdan.is during inspections. Based on all replies received, as of December 23, 2024, there were no responses indicating error status. 0.241 seconds was the recorded response time, against an average of 0.229 seconds, for halfdan.is on July 20, 2021.