Since July 4, 2019, the operability of dfi.de has been checked 11 times over the past 1 971 days. The functionality of dfi.de was confirmed 11 times through all checks, as proven by the 200 status code on November 19, 2024. Throughout all inspections conducted as of November 26, 2024, dfi.de experienced no periods of downtime. Based on the replies received, it is confirmed that there were no error responses as of November 26, 2024. On November 19, 2024, dfi.de showed a response time of 0.169 seconds, compared to an average response time of 0.114 seconds.