LONDON, U.K. - 13 Jan 2012: Mobile devices helped drive strong online retail sales over Christmas shopping season in the UK. By comparing December 2011 to December 2010 (year/year): Consumer Spending Increases: Online sales were up 5.4 percent over 2010. Mobile Traffic: 15 percent of all online sessions on a retailer’s site were initiated from a mobile device, up from 5.6 percent over this same period in 2010—an increase of 169 percent. Mobile Sales: Sales from mobile devices grew, reaching 12.9 percent versus 4.5 percent in December 2010—an increase of 186.5 percent. The Apple Shopper: Apple’s iPhone and iPad ranked one and two for mobile device retail traffic (6.4 percent and 4.7 percent respectively). Android was third at 3.6 percent. Collectively iPhone and iPad accounted for 11.1 percent for the month. The iPad Factor: Shoppers using the iPad also continued to drive more retail purchases than any other device with conversion rates reaching 6.1 percent compared to 3.8 percent for all mobile devices. "This Christmas shopping season has been characterised by consumers looking for deals and increasingly using their mobiles to shop online,” said Andrew Jackson-Proes, Enterprise Marketing Management (EMM) leader for UK & Ireland, IBM. These early Christmas season findings are based on data from IBM Coremetrics Benchmark, the only analytics-based, peer-level benchmarking solution that measures online marketing results, including real-time sales data. All of the data is aggregated and anonymous.