Travel sites all surged in popularity between May and June 2010, according to [pdf] comScore Media Metrix data. Travel site categories experienced a gain in activity in June 2010 as Americans kicked off the unofficial start to the summer travel season. More than 100 million Americans visited the category during the month, affecting the following travel sub-categories: transactions, hotels/resorts, ground/cruise, and airplanes. Hotels/Resorts sites also saw strong growth during the month with 36.6 million Americans turning to these sites for lodging options.
