The number of uptime checks of professor-graf.de performed over the past 2 071 days, starting May 11, 2019, stands at 2. Over 2 instances out of all conducted checks, professor-graf.de has shown functionality, with the latest uptime on July 13, 2021, returning a code 200. Throughout the inspections carried out as of January 10, 2025, there were no cases of professor-graf.de being unavailable. As of January 10, 2025, replies received confirm there were no responses with an error status code. At 0.260 seconds, professor-graf.de's July 13, 2021, response contrasted with its average of 0.389 seconds.