Below the fold optimizations
I'm testing the inclusion or non-inclusion of an image on my product page that is well below the fold, but I only want to register statistics on that page if the user has actually scrolled down that far to see where the content would be, Is there any way to do this?
Yes that is possible. Your situation sounds similar to the scenario discussed in this community post on scroll depth and custom event goals:
Check it out and let me know if this helps!