The findings, taken from an online pool of 3 million UK users, showed sites such as Tripadvisor, Skyscanner and Trivago have seen an average 51% increase in traffic deriving from YouTube in the last three years. The Hitwise research found comparison website Skyscanner has risen in the ranks receiving a 59% increase in traffic deriving from YouTube. TripAdvisor, however, is currently leading in traffic volume, whilst booking.com follows closely behind. Get the full story at Travelmole