Industry research shows up to 75 percent of shoppers abandon their online shopping carts before completing the checkout process.
Two articles by US online shopping guru explain how to reduce this key ratio.
Part 1: https://www.clickz.com/tools-to-improve-website-traffic/251342/
Part 2 : https://www.clickz.com/nyt-reprises-archives-tactic-for-hbo/79267/