ie11
Mozilla/5.0 (Windows NT 6.1; WOW64; Trident/7.0; rv:11.0) like
Gecko
safari
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_1)
AppleWebKit/537.73.11 (KHTML, like Gecko) Version/7.0.1 Safari/537.73.11
firefox
mac:Mozilla/5.0 (Macintosh; Intel Mac OS X 10.9; rv:26.0)
Gecko/20100101 Firefox/26.0
win7:Mozilla/5.0 (Windows NT 6.1; WOW64; rv:26.0)
Gecko/20100101 Firefox/26.0
chrome
mac:Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_1)
AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.63
Safari/537.36
win7:Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36
(KHTML, like Gecko) Chrome/29.0.1530.2 Safari/537.36
opera
mac:Opera/9.80 (Macintosh; Intel Mac OS X 10.9.1; Edition MAS)
Presto/2.12.388 Version/12.15
win7:Mozilla/5.0 (Windows NT 6.1; WOW64)
AppleWebKit/537.36 (KHTML, like Gecko) Chrome/31.0.1650.63 Safari/537.36
OPR/18.0.1284.68