Impresiones Web is leading in Top 100K Sites and Top 1M Sites.
Impresiones Web has better usage coverage in more websites categories. Including Arts & Entertainment, People & Society, Adult, Music & Audio and 62 other categories.
Meta Network is leading in Online.
Impresiones Web is leading in most countries, including Spain, Mexico, Argentina, Chile and 43 other countries.
Meta Network is leading in India, Iran, Israel and Armenia.