54% of online Britons visit a travel site. That's over 14 mln people every month, a growth of 20% in 2004 alone. 86% of all British surfers aged 50+ have visited a travel site in 2004. 1.5 mln of them visited the secure pages of travel websites to book in September 2005. Surfers spend on average 40 minutes a month viewing more than 70 pages of content on a variety of travel sites, from airlines to cruise lines, hotels to travel agents, Nielsen//NetRatings reports.