Some sites specialize in creating and selling their own offers.

The site specialised in all types of traction control equipment.

The Collective is a separate category of the site specializing in individual artist stores.

I learned about it only through a reader who had read of it at www.justadventure.com, a site specializing in adventure games.

Other sites specialize in a particular type of used computer, like laptops or Macs.

Several smaller sites specialize in sharpening, with sales as a sideline.

Lightning detectors are for sale at Stormwise (www.stormwise.com), a site specializing in these instruments.

In 2010, he began a column and writing stories for StorefrontBacktalk.com, a site specializing in retail technology coverage.

Stock quotes are a standard feature of most finance-related Web pages, but a few sites specialize in more sophisticated services.

A newer site, FiveStarAlliance.com, which made its debut this year, specializes in the upper end of the market.