Study: 37% of Retailers Now Have Mobile Sites

Earlier this year Google reported that the overwhelming majority (79%) of its top advertisers didn’t have a mobile-optimized site. However, a new analysis from the Acquity Group found that a substantial number (37%) of the Internet Retailer Top 500 companies now have a mobile site.

This is up from a level of 12% last year and only 4% in 2009. Those are dramatic increases, reflective of retailers responding to massive consumer adoption of smartphones. The study also reported that roughly 26% of retailers have at least one mobile app; and 18% had both a mobile site and an app.

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While 37% have a mobile site, about 26% have one or more apps — with the iPhone leading the way:

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The “Top 10” mobile retailers were: Amazon, Armani Exchange, Barnes & Noble,, Cabela’s, Gilt Groupe, The Home Depot, Newegg, Walgreens and Wal-Mart. Here’s the hierarchical ranking according to Acquity’s scoring: 

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An interesting question is whether mobile revenues for these retailers are at all commensurate with their investments in the user experience. With Amazon at least, we know that has been true.