GSI Media is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Interpolls has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, News & Media, Adult and 29 other categories.
GSI Media is leading in Shopping, Clothing, Sports and Children.
Interpolls is leading in most countries, including United States, Brazil, Japan, United Kingdom and 10 other countries.
GSI Media is leading in Thailand and China.