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 73 other categories.
PointRoll is leading in People & Society, Business & Industry, News & Media, Health and 63 other categories.
PointRoll is leading in most countries, including United States, Canada, United Kingdom, India and 23 other countries.
Shopzilla is leading in Russia, Germany, Japan, Poland and 20 other countries.