List of Firefox 66 Browsers

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Agent First Seen (AEST) Last Seen (AEST)
Firefox 66 Linux (other) [289535] 2024-07-01 11:48:00 2026-09-15 18:48:26

Firefox 66 Windows 10 [271952] 2018-12-14 10:11:25 2026-09-13 21:54:41

Firefox 66 [312105] 2026-09-10 20:17:02 2026-09-10 20:17:03

Firefox 66 Mac OS X 10.12 [312053] 2026-09-10 02:21:54 2026-09-10 02:21:54

Firefox 66 [312015] 2026-09-09 18:25:53 2026-09-09 18:25:53

Firefox 66 [311967] 2026-09-09 17:12:58 2026-09-09 17:12:58

Firefox 66 Windows 10 [301021] 2026-01-15 12:01:03 2026-09-09 17:03:26

Firefox 66 [311933] 2026-09-09 16:14:20 2026-09-09 16:14:20

Firefox 66 Mac OS X 10.12 [311915] 2026-09-09 15:42:11 2026-09-09 15:42:11

Firefox 66 Linux (other) [303387] 2026-04-18 03:41:50 2026-09-05 02:27:47

Firefox 66 Mac OS X 10.13 [310678] 2026-09-05 02:26:01 2026-09-05 02:26:02

Firefox 66 Mac OS X 10.14 [310669] 2026-09-05 01:26:37 2026-09-05 01:26:38

Firefox 66 Linux [309922] 2026-08-30 11:49:49 2026-08-30 11:49:49