Cyber Monday might have turned out to be better than expected. Online retailers saw a 13.7 percent increase in sales compared to last year, and 24.1 percent more than on Black Friday 2009. The latest data comes from Coremetrics, a Web analytics service used by more than 500 retailers including Abercrombie & Fitch, Bath & Body Works, Bloomingdale’s, Macy’s, Nordstrom, Office Depot, and Williams-Sonoma.

The average online order was $180.03, compared to $170.19 on Black Friday and $130.24 last year. Consumers also bought 10 percent more indivual items than on Friday, and 30 percent more items than last year.

The average session length across Coremetric’s sample was 7:32 minutes, down from 8:23 minutes last year, but the percentage of visits that actually resulted in an order increased to 5.26 percent from 3.99 percent last year.

Coremetrics is just one set of data about Cyber Monday sales, and reflect the large retailers who use its product. Those retailers did better on Black Friday (up 24 percent) than broader estimates from comScore suggested for the online retail sector as a whole (up 11 percent). ComScore has not yet released its Cyber Monday data.

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