Fast-sub.info had passed 4 availability checks over the 1 432 days counting from January 2, 2021, until now. Fast-sub.info returned a code 200 and was reachable 4 times out of all conducted tests, the last time being on November 20, 2024. All testing of fast-sub.info as of December 4, 2024, found no instances of inoperability. No errors have been encountered in any responses as of December 4, 2024, according to all replies obtained. Fast-sub.info replied in 0.573 seconds on November 20, 2024, with an average response time of 0.335 seconds.