Adconion is leading in Top 100K Sites and Top 1M Sites.
Shopzilla has better usage coverage in more websites categories. Including Shopping, People & Society, Arts & Entertainment, Business & Industry and 87 other categories.
Adconion is leading in News & Media, Career & Education, Autos & Vehicles, Travel and 46 other categories.
Adconion is leading in most countries, including Spain, France, Australia, United Kingdom and 32 other countries.
Shopzilla is leading in United States, India, Japan, Hungary and 16 other countries.