• by Gavin O'Malley  @mp_gavin, December 27, 2007

A flurry of online spending by procrastinators and deal-seekers resulted in a stellar final week of pre-Christmas shopping, according to the latest holiday season e-commerce numbers from comScore.

Sales for the first 51 days of the 2007 holiday season--from November 1 through December 21--were up 25% year-over-year. More than $26 billion has been spent online during the season-to-date, marking a 19% gain versus the corresponding days last year.

What's more, December 10, dubbed "Green Monday," will reign as heaviest online spending day of the 2007 holiday season with $881 million in sales.

By contrast, "Cyber Monday," November 26, which represents the first major spike in online spending activity during the season, ranked as the ninth-heaviest day, with $733 million in sales.

"We are continuing to see online spending strength as we get deeper into the season, with the most recent five-day span ending December 21 exhibiting a 25% growth rate versus year ago," said comScore chairman Gian Fulgoni.

"At this point of the season, the heaviest online spending days are now well behind us," Fulgoni added. "However, with some online retailers offering deliveries before Christmas for orders placed by December 22, and in-store pickup available for orders placed on Christmas Eve, we expect to see above-average growth rates continue through the holiday."