[user24]

I did a bit of research a few years ago as part of my masters. Here are the references I have:

http://stc-access.org/wp-content/uploads/cooke_mouse_eye_tra...

TLDR: 'eye movement matched mouse movement 69% of the time'

There's also a paper in here starting page 33 of the PDF http://research.microsoft.com/en-us/um/people/ryenw/proceedi...

[kirkus]

Yeh the data is valuable if used in a meaningful way. You'd still want to A/B test different things you change but our tool would give you a good starting point based on user/visitor behaviour.