Throughout the 1 527 day period beginning on December 21, 2020, whho.com's operability was checked 5 times. 5 times whho.com was accessible from total checks attempted, with the latest uptime on September 8, 2021, returning a 200 code. None of the tests conducted as of February 25, 2025, found any instances of whho.com being unavailable. It was noted from the responses received that there were no error statuses recorded as of February 25, 2025. At 3.937 seconds, whho.com's September 8, 2021, response time differed from its 3.298 seconds average.