A study by Opera Software found that desktop traffic was stronger during the week than on weekends and peaked on Mondays. While mobile shopping peaked on Sundays. Opera believes this is because consumers browse and research on their smartphones as they relax on the weekends, while during the week they place their orders. @comScore found that while 66% of total US digital retail time was spent using a mobile device (34% desktop), only 11% of dollars spent were via mobile (89% desktop). - Link