Optimizing this above-the-fold area to make the most of the screen real estate had the biggest impact of all the things I tested. Switching my opt-in box from the sidebar on the right to the header area just below my logo and navigation was a

HUGE bump in visitor-to-leads conversion. Just moving our same opt-in offer from the sidebar to the header I went from 2 percent of visitors becoming subscribers to 5 percent.

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