There were 3 uptime checks of what-if.xkcd.com conducted throughout the 1 235 day period beginning on July 3, 2021. On December 7, 2021, what-if.xkcd.com was confirmed up for the 3 time from all assessments conducted, by a 200 status code. As of November 19, 2024, inspections revealed that there had been no periods of unavailability on what-if.xkcd.com. As of November 19, 2024, all responses received have confirmed that there are no errors present in any of the replies. The December 7, 2021, response contrasted, being 0.268 seconds for what-if.xkcd.com against its 0.305 seconds average.