GSI Media is leading in Top 100K Sites.
Interpolls has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, News & Media, Adult and 30 other categories.
GSI Media is leading in Shopping, Software, Children, Sports and one other category.
Interpolls is leading in most countries, including United States, Germany, United Kingdom, Poland and 9 other countries.
GSI Media is leading in Spain, Korea Republic and Australia.