PointRoll is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.
Shopzilla has better usage coverage in more websites categories. Including Shopping, Arts & Entertainment, Clothing, Consumer Electronics and 72 other categories.
PointRoll is leading in People & Society, Business & Industry, News & Media, Health and 65 other categories.
PointRoll is leading in most countries, including United States, Canada, India, United Kingdom and 25 other countries.
Shopzilla is leading in Russia, Poland, Japan, Ukraine and 15 other countries.