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 70 other categories.
PointRoll is leading in People & Society, Business & Industry, News & Media, Health and 66 other categories.
PointRoll is leading in most countries, including United States, Canada, India, Great Britain and 45 other countries.
Shopzilla is leading in Australia, Romania, Spain, Japan and 15 other countries.