The operability of d4h.org has been tested 3 times over the course of the 1 170 days that followed September 5, 2021. Out of every check attempted, d4h.org was up 3 times, most recently on August 24, 2024, responding with a code 200. According to assessments carried out as of November 19, 2024, there were zero occurrences of downtime on d4h.org. As of November 19, 2024, every response received attests to the fact that no response has an error status. D4h.org's reply time was 0.950 seconds on August 24, 2024, in contrast to an average of 1.141 seconds.