AdvertPro is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Shopzilla has better usage coverage in more websites categories. Including Shopping, People & Society, Arts & Entertainment, Clothing and 90 other categories.
AdvertPro is leading in Business & Industry, Adult, News & Media, Real Estate and 39 other categories.
AdvertPro is leading in most countries, including United States, South Africa, Norway, Turkey and 30 other countries.
Shopzilla is leading in United Kingdom, Canada, India, Australia and 17 other countries.