Over the 1 197 days starting August 9, 2021, vnav.vn underwent 3 functioning checks, according to the data. Operating successfully in 3 instances throughout the checks, vnav.vn's latest uptime on September 12, 2021, returned a code 200. No downtime incidents were noted for vnav.vn in inspections performed as of November 18, 2024. The received replies confirm that, as of November 18, 2024, no response had an error status. On September 12, 2021, data reveals a 4.044 seconds vnav.vn response against 3.683 seconds averagely.