AdMeta is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Impresiones Web has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Adult, Music & Audio and 95 other categories.
AdMeta is leading in Science, Social Sciences, Real Estate, Jobs & Employment and 30 other categories.
Impresiones Web is leading in most countries, including Spain, Mexico, Argentina, Brazil and 57 other countries.
AdMeta is leading in Poland, Russia, Romania, Slovakia and 50 other countries.