Firefox
Mozilla/5.0 (Windows NT 6.1; rv:10.0.2) Gecko/20100101 Firefox/10.0.2
Chrome
Mozilla/5.0 (Windows NT 6.1) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.162 Safari/535.19
Safari
Mozilla/5.0 (Windows NT 6.1) AppleWebKit/534.50 (KHTML, like Gecko) Version/5.1 Safari/534.50
Opera
Opera/9.80 (Windows NT 6.1; U; en) Presto/2.9.168 Version/11.50
IE
Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0)
I'm interested to know why Mozilla/5.0 is prefixed when I
echo it in IE, Safari And Chrome?REFERENCES
http://stackoverflow.com/questions/12288452/what-does-mozilla-5-0-in-user-agent-string-signify
