Travel has become a increasingly popular global activity with no less than 940 million international tourist arrivals last year and a International tourism receipts total of around US$919 billion. The following article is about the top 100 most popular travel sites in 2011 as per the number of unique visitors. It includes some of the most popular travel booking agencies such as Expedia and SkyScanner, user generated portals with thousands of customer reviews such as TripAdvisor, as well as top hotel sites including Agoda and other well known hotel brands such as the Accorhotels and Intercontinental group. Other top candidates on our list are websites mostly known for the quality of their travel content and unique insights on the world’s top destinations such as Lonely Planet as well as some of the most popular global airlines. We divided the candidates into various topics including top booking websites, hotel websites, travel content websites and top airline websites. The complete top 100 travel sites list is displayed at the bottom of the article.




