The operability of mark.com has been tested 4 times over the course of the 1 368 days that followed February 19, 2021. Testing proves mark.com's operability 4 times from total attempts, including on March 1, 2021, when a 200 status code was received. No inactivity periods were observed for mark.com as of November 18, 2024, during assessments. As of November 18, 2024, replies received confirm there were no responses with an error status code. In contrast to mark.com's average response time of 0.972 seconds, the response time on March 1, 2021, was 0.991 seconds.