In the time period of 1 245 days beginning July 2, 2021, the data indicates 8 operability checks were conducted for library.fes.de. In 8 of the tests that were conducted, library.fes.de returned a code 200 in response, the most recent uptime occurring on April 1, 2024. During all inspections conducted as of November 29, 2024, library.fes.de experienced no downtime. As of November 29, 2024, every response indicates that no error status code has been received. Library.fes.de replied in 0.224 seconds on April 1, 2024, while averaging a response time of 0.287 seconds.