4 availability checks of combinatorics.net were performed in the 899 day period starting on July 30, 2022. Of the total analyses performed, combinatorics.net was accessible 4 times, with its latest successful ping on January 11, 2025, returning a code 200. As of January 14, 2025, no instances of downtime were noted for combinatorics.net during inspections. As of January 14, 2025, there are no recorded instances of error status codes, according to the responses that were received. On January 11, 2025, in contrast to the average of 2.424 seconds, for combinatorics.net recorded a response time of 4.349 seconds.