During the 1 259 day period starting June 14, 2021, 4 accessibility tests of kern.de have been done. Following all of the tests, kern.de was found to be online 4 times, on December 16, 2021, the most recent 200 status code was recorded. No offline periods were found for kern.de during inspections carried out as of November 25, 2024. The responses that had been received as of November 25, 2024, showed that no response had an error status. The recorded 0.309 seconds on December 16, 2021, contrasted kern.de's 0.191 seconds average response time.