The operability of vast.ac.vn was checked 3 times during a period of 4 days, beginning on January 6, 2025. With the last time on January 8, 2025, when a code 200 was returned, vast.ac.vn was up 3 times out of all the checks conducted. In the course of the inspections, vast.ac.vn did not experience any downtime as of January 11, 2025. Based on all the replies, as of January 11, 2025, no error status code has been returned. At 8.446 seconds, vast.ac.vn's response time on January 8, 2025, differed from the 2.816 seconds average.