The increased audience for the BBC Sport website led to more than 200 million page impressions.
Traffic reached its peak on the day that Italy played the Czech Republic, when the site registered 16.6 million page impressions. Figures show that the site is busiest during working hours.
The live online streaming of World Cup matches has been accessed by 1.7 million people in total, with the opening game pulling in the highest total so far at 153,909 viewers.
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