In the time period of 659 days beginning February 13, 2023, the data indicates 10 operability checks were conducted for hf.uni-koeln.de. With the last recorded uptime on February 9, 2024, hf.uni-koeln.de was accessible 10 times out of all checks conducted, responding with a 200 status code. All testing performed of hf.uni-koeln.de as of December 4, 2024, found zero instances of inoperability. It was noted that there were no error statuses received in any of the responses as of December 4, 2024. The response time of 0.188 seconds was recorded for hf.uni-koeln.de on February 9, 2024, while 0.212 seconds is the average.