From February 11, 2019, through the past 2 107 days, zf.com's availability has been analyzed 6 times. Zf.com was operable 6 times from the total tests performed, last recorded on October 1, 2022, with a 200 response code. As of November 18, 2024, all evaluations indicated that zf.com had no periods of inoperability. As of November 18, 2024, no responses were found to have error status based on the replies received. The response received from zf.com was 0.640 seconds on October 1, 2022, against an 1.490 seconds average.