Between February 11, 2021, and the 1 952 day after, fembooks.de had a total of 4 availability checks performed. Throughout all tests performed, fembooks.de was functional 4 times, with the most recent uptime on January 28, 2025, giving a 200 code. All tests conducted as of June 17, 2026, confirmed that fembooks.de did not experience any periods of inoperability. All responses were found to be error-free as of June 17, 2026, based on the received replies. It is noted that on January 28, 2025, fembooks.de responded in 2.291 seconds, and the average response time was equal to 1.805 seconds.