Firefox 21 User Agents
Showing user agents for Firefox version 21. This is a listing of the most recent user agents detected from this software version.
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Mozilla/5.0 (Windows NT 6.3; WOW64) Gecko/20142805 Firefox/21.0 -
Mozilla/5.0 (Windows NT 6.3; Win64; x64) Gecko/20112003 Firefox/21.0 -
Mozilla/5.0 (Windows NT 6.3; Win64; x64) Gecko/20031504 Firefox/21.0 -
Mozilla/5.0 (Windows NT 6.2; rv:21.0) Gecko/20100101 Firefox/21.0 -
Mozilla/5.0 (Windows NT 6.2; Win64; x64; rv:21.0) Gecko/20100101 Firefox/21.0 -
Mozilla/5.0 (Windows NT 6.2; WOW64; rv:21.0; Avant TriCore) Gecko/20130618 Firefox/21.0 -
Mozilla/5.0 (Windows NT 6.2; WOW64; rv:21.0) Gecko/20130213 Firefox/21.0 -
Mozilla/5.0 (Windows NT 6.2; rv:21.0) Gecko/20130207 Firefox/21.0 -
Mozilla/5.0 (Windows NT 6.2; WOW64; rv:21.0) Gecko/20100101 Firefox/21.0 AlexaToolbar/alxf-2.18 -
Mozilla/5.0 (Windows NT 4.10; rv:21.0) Gecko/20100101 Firefox/21.0 -
Mozilla/5.0 (Windows NT 4.0; rv:21.0) Gecko/20100101 Firefox/21.0 -
Mozilla/5.0 (Windows NT 6.0; rv:21.0) Gecko/20100101 Firefox/21.0 -
Mozilla/5.0 (Windows NT 6.0; rv:21.0) Gecko/20130331 Firefox/21.0 -
Mozilla/5.0 (Windows NT 6.0; rv:21.0) Gecko/20100101 Firefox/21.0 AlexaToolbar/amznf-3.0.20121129 -
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:21.0) Gecko/20100101 Firefox/21.0 -
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:21.0) Gecko/20100101 Firefox/21.0 -
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:16.0) Gecko/20100101 Firefox/21.0 -
Mozilla/5.0 (X11; FreeBSD amd64; rv:21.0) Gecko/20130331 Firefox/21.0 -
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.8; rv:21.0) Gecko/20100101 Firefox/21.0 -
Mozilla/5.0 (Windows NT 10.0; Win64; x64) Gecko/20100101 Firefox/21.0