Impresiones Web is leading in Top 1M Sites.
Impresiones Web has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Adult, Music & Audio and 55 other categories.
Shopzilla is leading in Shopping, Consumer Electronics, Health, Home & Garden and 32 other categories.
Impresiones Web is leading in most countries, including Spain, Mexico, Argentina, Peru and 40 other countries.
Shopzilla is leading in United States, Canada, India, Australia and 12 other countries.