MSN Ads is leading in Top 10K Sites and Top 100K Sites.
Shopzilla has better usage coverage in more websites categories. Including Shopping, Arts & Entertainment, Business & Industry, Clothing and 78 other categories.
MSN Ads is leading in People & Society, News & Media, Computer & Electronics, Music & Audio and 50 other categories.
Shopzilla is leading in most countries, including United States, United Kingdom, Malaysia, Germany and 18 other countries.
MSN Ads is leading in India, Canada, Brazil, France and 16 other countries.