June 26, 2021, was the start date for the 1 251 days during which isf.edu.hk had 3 availability checks. Throughout the entirety of tests, isf.edu.hk operated successfully 3 times, with the last uptime on March 20, 2024, returning a code 200. Isf.edu.hk did not experience any issues related to downtime based on checks carried out as of November 28, 2024. As of November 28, 2024, according to every response received, there have been no responses with an error status. Isf.edu.hk averaged 5.572 seconds of response time, while responding in 7.686 seconds on March 20, 2024.