Data analysis indicates appfour.com had 1 operability tests done during the 2 140 days following February 12, 2019. Out of all the tests that were done, appfour.com was up 1 times, the most recent uptime occurred on February 12, 2019, with a code 200 response. None of the inspections that were carried out resulted in appfour.com being inaccessible as of December 23, 2024. All replies received as of December 23, 2024, confirm that there have been no responses with an error status. Differing from an average of 0.227 seconds, appfour.com responded in 0.227 seconds on February 12, 2019.