According to the data, over a period of 2 224 days, hhu.de was checked 205 times for functioning starting on March 25, 2019. According to checks performed as of April 26, 2025, there have been no instances of the inoperability of hhu.de. As of April 26, 2025, all responses have been error-free according to the replies received. The average response time for hhu.de is 0.151 seconds, however the response time on April 17, 2025, was 0.176 seconds.