Yettwasezmel 3 ɣef 5 n yetran

sɛur efreak1 di Nov. 1, 2011 · aseɣwen yezgan

This addon changes the user agent globally (for every site). If you want to just change the user agent on a site-by-site basis, install the UA Control addon: https://addons.mozilla.org/en-US/firefox/addon/uacontrol/