iTunes and QVC Have the Highest Open Rates, 4 Gap Brands Among the 10 Brands With the Best Inbox Delivery

We picked 23 of Internet Retailer's top 25 companies (from the IR 500) and looked at 50 brands that these companies own to find the best overall inbox delivery and open rates over the last 90 days. Piperlime.com, with 99 percent inbox delivery, and Banana Republic and iTunes at 98 percent, were at the absolute top of the inbox delivery range. Kmart, HP, Gap, Netflix, Old Navy, Best Buy and Bath & Body Works all follow closely behind with delivery in the 97th percentile.