I apologise for jumping to conclusions
it happens too often, and I just expected it.
I clicked view source, the parameter has to be added somewhere, perhaps in the wordpress plugins being used, just about everything in the page <head> has had the parameter added if it isnt in the source, something has to be doing it in the serverside scripts
<script type="text/javascript" src="http://web.guru99.com/wp-includes/js/perl.js?fe74d6"></script>
<script src="//ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min.js?fe74d6">></script>
<script src="http://web.guru99.com/wp-includes/js/code.js?fe74d6"></script>