Impresiones Web is leading in Top 1M Sites.
Impresiones Web has better usage coverage in more websites categories. Including People & Society, Arts & Entertainment, Adult, Business & Industry and 49 other categories.
Shopzilla is leading in Shopping, Consumer Electronics, Health, Beauty & Fitness and 31 other categories.
Impresiones Web is leading in most countries, including Spain, Mexico, Argentina, Chile and 36 other countries.
Shopzilla is leading in United States, Canada, China, Pakistan and 14 other countries.