?refsite=www.n1ads.com&ref=alexa-traffic-rank – What is it?

Hi,

I want to know from where this url came – “?refsite=www.n1ads.com&ref=alexa-traffic-rank” ? Which plugin is creating this extra url ???

I have only one url list is the Google webmaster which parameter are as above, it show’s under Pages with duplicate title tags that duplicate issue.

http://latestpricelistindia.in/page/43/?refsite=www.n1ads.com&ref=alexa-traffic-rank
Original : http://latestpricelistindia.in/page/43/

Please help me ???