Today we see how the daytime traffic was for the Argentina versus South Korea game and the Greece/Nigeria match.
There was only a tiny increase above the normal daytime traffic for the Argentina/South Korea game and the Greece/Nigeria match only increased 14% above the norm.
The Spain versus Switzerland game on Wednesday saw a 26% increase on the usual level for that time. The previous day, when Portugal took on the Ivory Coast saw traffic 23% over the norm. Daytime traffic was 18% up the first few days of the tournament.
Below is the graph of UK internet traffic, during office hours on Thursday.