The operability of zalo-vn.com was checked 1 times during a period of 1 171 days, beginning on September 17, 2021. From whole tests made, zalo-vn.com was up 1 times, most recent uptime recorded September 17, 2021, replying with a code 200. Based on the assessments completed as of December 2, 2024, there were no periods of inoperability for zalo-vn.com. All responses obtained as of December 2, 2024, have been reported as having no error status codes. The response time of zalo-vn.com on September 17, 2021, was 0.495 seconds, and the average response time is 0.495 seconds.