Availability of open.hpi.de was checked 6 times during the 1 082 days beginning January 8, 2022. Last recorded on September 22, 2023, with a 200 status code, open.hpi.de was available 6 times out of the total tests done. As of December 25, 2024, no instances of open.hpi.de being down had occurred during the inspections that were conducted. As of December 25, 2024, all responses received have confirmed that there are no errors present in any of the replies. Open.hpi.de responded in 0.491 seconds on September 22, 2023, which contrasted its 0.565 seconds average response time.