According to the report, 28 uptime tests of nviportal.nationalvision.com were carried out in the 1 414 days following January 16, 2021. Nviportal.nationalvision.com was up 28 times during the course of the testing, with the most recent uptime occurring on November 3, 2024, responding with a code 200. In the testing performed as of November 30, 2024, nviportal.nationalvision.com did not experience any offline periods. The status of every response received has been confirmed error-free as of November 30, 2024. According to records, on November 3, 2024, nviportal.nationalvision.com responded in 0.744 seconds, as opposed to an average of 0.741 seconds.