It is the biggest online shopping day of the year, Cyber Monday.

  • Shoppers expected to spend more than $6.6 billion
  • Many stores offering discounts on their websites

A record number of Americans are expected to shop online on Monday.

Shoppers are projected to spend more than $6.6 billion this year, according to Adobe Analytics, the research arm of software maker Adobe. And more people will be picking up their phones to shop: Web traffic from smartphones and tablets is expected to top desktop computers for the first time this year, Adobe said.

And analysts say the peak time for buyers is 8 p.m. to 11 p.m., right before the deals disappear.

After offering online deals for days, retailers are rolling out even more promotions for Cyber Monday, hoping to keep people buying stuff on their smartphones or computers.

As part of their Cyber Monday deals, Target and Toys R Us are offering 15 percent off most items on their sites. has tripled the amount of items available for sale from last year. And Amazon — which Bain & Co. says is expected to capture 50 percent of all online sales growth — will offer similar deals on its gadgets as it did on Black Friday, but offer new deals on Lego sets and Hasbro games.

The Associated Press contributed to this story.