In the timespan of 1 980 days starting August 9, 2019, who.de was inspected for operability 2 times. In the 2 out of all conducted checks, including the most recent one on September 8, 2021, which returned a code 200, who.de has been reachable. As of January 10, 2025, no tests that were performed showed any instances of who.de being unavailable. Based on the received responses, there have been no errors reported as of January 10, 2025. On September 8, 2021, who.de had a response time of 0.080 seconds and an average response time of 0.049 seconds.