Travel planning and review sites are seemingly doing good business: traffic to the category grew over 10% year-over-year (YOY), reaching 25 million Unique Visitors (UVs) in May. Which sites benefitted most from the start of the summer travel season? Sites designed with a mobile mindset and sites offering crowd-sourced, local content. TripAdvisor, the most popular travel planning site, made the list of ten fast movers in May. Eight of the ten fast movers had more female UVs than male; TripAdvisor and ViaMichelin were the only exceptions. A third of online travel shoppers are using mobile in the purchase process and 43% of smartphone users have travel apps. The increasing significance of mobile travel apps is reflected in the fast movers., an app-only travel planner, grew 46% MOM with 259,000 UVS. A smaller site, offers a mobile app that alerts users to travel deals. Yapta is unique in that it offers a similar prive tracking service for corporate travel. enables users to share and discover travel information through its site and mobile apps. It seems that Minube was designed with mobile in mind as it is organized into streams of images, similar to Pinterest. Interestingly,, the spanish-version of, was a fast mover and not the English site. Get the full story at the Compete Blog Read also "The state of the mobile summer traveler" at the Compete Blog