How so?
I use Firefox most of the time, but if I really need to stretch the battery life I’ll use Safari. It seems significantly faster and more power efficient than anything else I’ve used. If it had better plugin support, it’d be my daily driver. Can’t say I’ve ever had issues with it rendering a page.
Referrals are electronic for those running a modern EMR, like Epic. The systems exist, it’s up to both sides to implement them.