Here top website properties with the highest unique visitors from European countries, according to recent comScore study . comScore overviewd internet usage in Europe, showing 366.9 million unique visitors went online in May 2011 for an average of 26.8 hours per person.
The study also measured internet usage in 49 European markets aggregated under the European region and provides individual reporting on 18 markets.
Here the website properties with the highest unique visitors in may 2011: