There have been 4 tests conducted on z-1-external.xx.fbcdn.net's uptime in the 1 240 days starting June 28, 2021, up until today. All the checks conducted as of November 19, 2024, revealed that z-1-external.xx.fbcdn.net was unavailable or experiencing problems. Z-1-external.xx.fbcdn.net was unreachable for 4 analyses completed, equal to 100.00% of the total, most recently on August 7, 2021. Of the responses received as of November 19, 2024, none were reported to contain an error status. On August 7, 2021, z-1-external.xx.fbcdn.net's response time contrasted its average, being — seconds against 0.001 seconds.