http://whatsmyuseragent.com/WhatsAUserAgent
I am Spoofing my user agent so it looks like
Mozilla/5.0 (Windows NT 6.1; WOW64; rv:40.0) Gecko/20100101 Firefox/40.0
This stops site from complaining that my Browser is not the latest Firefox so on.
You can check yours here
http://whatsmyuseragent.com/