Fast-sub.info had passed 3 availability checks over the 1 418 days counting from January 2, 2021, until now. Fast-sub.info returned a code 200 and was reachable 3 times out of all conducted tests, the last time being on November 26, 2022. All testing of fast-sub.info as of November 20, 2024, found no instances of inoperability. No errors have been encountered in any responses as of November 20, 2024, according to all replies obtained. Fast-sub.info replied in 0.168 seconds on November 26, 2022, with an average response time of 0.255 seconds.