In the span of 1 041 days starting on September 5, 2022, the report indicates mueller.de passed 33 uptime tests. Responding with a code 200, mueller.de was operational 33 times, most recently on July 11, 2025, out of every check attempted. Inspections carried out as of July 13, 2025, showed mueller.de faced no occurrences of inoperability. No reported response from all the replies received was found to have an error as of July 13, 2025. Mueller.de required 0.001 seconds to respond on July 11, 2025, compared to an average of 0.326 seconds.