4birk.no's availability checks had carried out over the past 1 504 days, starting on February 17, 2021. 4 times birk.no was accessible from total checks attempted, with the latest uptime on January 15, 2025, returning a 200 code. No downtime incidents were noted for birk.no in inspections performed as of April 1, 2025. As of April 1, 2025, errors in the responses that were received have not been reported. In contrast to the average of 1.423 seconds, birk.no's response time on January 15, 2025, was 0.260 seconds.