3 checks have been made on the availability of mertens.de within the last 153 days, beginning on June 19, 2024. According to the total tests made, mertens.de was up 3 times, most recent June 19, 2024, returning a 200 status code. Based on all completed evaluations as of November 20, 2024, no periods of inaccessibility were detected for mertens.de. No response has an error status code as of November 20, 2024, based on all that have been received. On June 19, 2024, the response time of mertens.de was 1.413 seconds, which is 1.304 seconds on average.