Referrer link different between SC3 & SC4

[Car Guy]

I have a referrer in SC4, a Google search, that when clicked brings up a page on my site. It reads one thing, but the URL displayed on the lower left of my browser is a page on my own site.

The same referrer in SC3, brings up the Google search page & string as it should.

Richard

[fuzzy]

Not quite the same problem, but I find that my SC4 project is recording correct referrer data, while my SC3 counter for the same pages comes up with no referrer. My SC4 comes first on the page, I haven't yet checked whether things change if I switch them. Is my SC4 swiping the referrer and leaving it blank for SC3, or is it some kind of variable conflict?