Over the course of the 962 days that started on July 1, 2022, 2 availability checks of marl.de were carried out. Including the August 18, 2022, check that returned a 200 code, marl.de has been available in 2 out of all attempted tests. As of February 17, 2025, assessments indicated that there had been no cases of inoperability on marl.de. As of February 17, 2025, the replies indicate that no responses with error statuses were received. Marl.de averaged 0.254 seconds of response time, while responding in 0.260 seconds on August 18, 2022.