21-06-2006 England's game against Sweden was the most successful for UK sports and gambling websites

According to Nielsen//NetRatings, Tuesday’s game between England and Sweden provided the biggest boost to UK sports and gambling websites in terms of the increase in audience numbers it provided compared to a ‘normal’ Tuesday. 936,000 people visited a sports or gambling website on the day, a massive 47% increase compared to a non-World Cup Tuesday.

Among the ten most popular sites, William Hill was the "stickiest" with its average visitors viewing 22 pages.