Re: [Trisquel-users] Midori makes internet think you run Safari and Mac

[mikko . viinamaki]

This addon might prove useful with Midori, it allows one to set the user  
agent per domain, so you can only masquerade for the stupid web sites.  
(MPL/GPL/LGPL trilicensed)

https://addons.mozilla.org/en-US/firefox/addon/uacontrol/