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 58 other categories.
Shopzilla is leading in Shopping, Consumer Electronics, Pets & Animals, Home & Garden and 30 other categories.
Impresiones Web is leading in most countries, including Spain, Mexico, Argentina, Peru and 42 other countries.
Shopzilla is leading in United States, India, Poland, South Africa and 12 other countries.