From June 21, 2021, forward over the next 1 262 days, there were 6 checks done on opa.vn's uptime. During the course of the checks, opa.vn was online 6 times, the last uptime occurred on March 25, 2022, and a code 200 was returned. Inspections carried out as of December 5, 2024, showed opa.vn faced no occurrences of inoperability. As of December 5, 2024, all received responses indicate that there have been no errors encountered. Opa.vn had a response time of 1.135 seconds on March 25, 2022, with an average response time of 2.278 seconds.