Signs are that this Black Friday will be a big one for retailers. Hitwise released report today which shows searches around Black Friday are up 31% and the share of visits to Black Friday websites are up 18% last week over the week before Thanksgiving and Black Friday last year.

The top 5 websites captured 81% of all visits to the custom category of Black Friday websites and traffic to Black-Friday.net and BlackFriday.info represented 46% of the total category.

More women than men are visiting the Black Friday websites with visits split 59% female and 41% male and tend to be younger with 59% of visitors under the age of 35. The audience also skews somewhat less affluent, with the highest share of visitors coming from the $30-$59.9k income bracket.

Yesterday comScore had forecasted strong numbers with 11 Percent Growth for 2010 Holiday E-Commerce Spending.