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 71 other categories.
PointRoll is leading in People & Society, Business & Industry, News & Media, Health and 60 other categories.
PointRoll is leading in most countries, including United States, Canada, India, Russia and 31 other countries.
Shopzilla is leading in United Kingdom, France, Hungary, Malaysia and 15 other countries.