I can only point to
one example that looks like third-party usage:
www.icon-frankfurt.de
<!—Start LI Tracker -->
<script type="text/javascript">
!function(i,n,s,p,e,c,t,o,r){
if(!p.getElementById(c))
{
r=String(new Date().getTime()/1000);e=("//-/-").replace(/-/,c.replace(/-/g,".")).replace(/-/,
e.replace(/#/,i).replace(/#/,r));n=p.createElement(s);n.type=t;n.async=true;n.src=e;n.id=c;o=
p.getElementsByTagName(s)[0];o.parentNode.insertBefore(n,o);
}
}(
"cCaefDDjbDehdjfaAeEgCcDf-fFdhiGhgeGhkgmidDhHjFfGj",null,
"script",document,"javascript/#/simple-15072014.js?_=#","js-leadinspector-de","text/javascript"
);
</script>
<!-- End LI -->
Considered first-party: comselect.de, triveo.de, and [parent website] www.xxlapps.de
Unless you know of several other sites actually using js.leadinspector.de, I think we should skip this one.
Disambiguation needed: The above does not appear to be related to the UK-based @Lead_Inspector