Analyzing the data shows ser.de was checked for operability 9 times over the 1 983 day duration from June 27, 2019. Tests reveal 9 uptimes of ser.de, on August 20, 2021, the latest check got a code 200 in response, proving it was accessible. According to all testing, there were no instances of inoperability on ser.de as of November 30, 2024. All received replies confirm that, as of November 30, 2024, there have been no responses with an error status. The response time was 0.530 seconds for ser.de on August 20, 2021, while the average response time is 0.427 seconds.