Online sales are projected to top 200 billion dollars in 2006 -- just three years after passing the 100 billion dollar mark.
The ninth annual Shop.org study conducted by Forrester Research says the largest non-travel categories this year will include computer hardware and software, autos and auto parts, apparel, accessories, and footwear.
Pet supplies and cosmetics and fragrances are expected to experience growth rates over 30 percent, more than any other categories.
According to the survey, online sales rose 25 percent last year -- to 176.4 billion dollars.
Excluding travel, they were up 28 percent to 113.6 billion -- representing 4.7 percent of all retail sales in 2005.